Rob Reiner's son Nick was reportedly located near the University of Southern California's campus six hours after the director and his wife's bodies were discovered at their Brentwood home.

Law enforcement sources told ABC News that Nick, 32, was not at the home when authorities arrived. Investigators believe he took off after the stabbings and was quickly located near the USC campus by the Los Angeles Police Department, according to the source.

Nick was arrested around 9:15 p.m. on Sunday, LAPD previously revealed. He is currently being held without bond at a Downtown Los Angeles jail.

Nick Reiner was "not medically cleared" to appear in court Tuesday, his lawyer Alan Jackson confirmed to Fox News Digital.

Nick, 32, did not appear before a judge Tuesday, the first time he was scheduled to appear since the bodies of Rob and Michele were discovered Sunday, Dec. 14, at their Brentwood, Calif., home. 

Following the initial investigation into Rob and Michele's homicides, authorities determined their son Nick Reiner to be "responsible for their deaths."

Nick was located and arrested at approximately 9:15 p.m. Sunday. He was booked on suspicion of murder and transferred Monday to the Twin Towers Correctional Facility, according to the Los Angeles County Sheriff's Department.

He was originally booked into the Metropolitan Detention Center before being transferred to the Inmate Reception Center in Los Angeles, Calif.

Karen Read's lawyer Alan Jackson showed up to court Tuesday representing Rob Reiner's son Nick in the possible double murder case against him, Fox News Digital can confirm.

Nick, 32, was arrested Sunday on the suspicion of murdering his parents. Rob and his wife Michele were found dead inside their Brentwood home on Sunday around 3:30 p.m. While Nick was not on the scene, ABC News reported authorities located him near the University of Southern California campus.

He was arrested around 9:15 p.m. on Sunday and is currently being held at the Twin Towers Correctional Facility in Downtown Los Angeles without bail.

If Nick Reiner is charged in connection to the stabbing deaths of his parents, Rob and Michele Reiner, his defense could request a psychiatric evaluation.

Former federal prosecutor Neama Rahmani explained why this tactic wouldn't work for the director's son, who was arrested on suspicion of murdering his parents.

"The defense may ask for a psychiatric evaluation to argue not guilty by reason of insanity," Rahmani said. "But for that, you have to be unable to know right from wrong. If you’re capable enough to have an argument with your parents at a Christmas party, you are not insane."

"Insanity requires a psychosis, schizophrenia, or something similar such that Nick doesn't even know he's killing his parents," the West Coast Trial Lawyers founder continued. "He thinks, for example, they are aliens, demons, or that God is commanding him to do something."

"If you are coherent enough to have an argument with your parents, and you're disagreeing on something, that’s not an insanity defense," the attorney added.

Rob and Michele were found dead inside their Brentwood home on Sunday. Nick, 32, was arrested hours after the couple was discovered. He's currently awaiting a decision on possible charges against him.

Nick Reiner's alleged fight with Rob Reiner and wife Michele the night before the couple was found dead in their home is "evidence of premeditation," a legal expert told Fox News Digital.

Family friends of Rob and Michele told the  Los Angeles Times that Nick got into an argument with his parents at Conan O'Brien's Christmas party Saturday evening. Many people noticed Nick was behaving strangely, according to the outlet.

"Nick was freaking everyone out, acting crazy, kept asking people if they were famous," a source also told People magazine. Per TMZ, after Rob and Nick got into a "very loud argument," the director and Michele left the party.

The alleged fight will be "fatal" to any defense Nick's lawyers come up with, former federal prosecutor Neama Rahmani told Fox News Digital.

“Assuming that Nick is the killer, the fact that he got into an argument with his parents a day before the murders at Conan O’Brien’s Christmas party is fatal to any real defense in the case," he explained. "It’s evidence of premeditation, which is what you need for first degree murder for special circumstances under California law."

 "If you get into an argument with someone and you come back with a weapon, that’s premeditation," the West Coast Trial Lawyers founder explained. "That's what happened with the Nipsey Hussle murder case in Los Angeles."

Nick Reiner spoke openly about his drug use throughout the years.

During an appearance on the "Inside Out w/ Paul Mecurio" podcast in 2016, Nick - who was promoting the semi-autobiographical film, "Being Charlie," alongside father Rob Reiner - got candid about why he felt the need to rebel and turn to drugs as a teenager.

"I don't think that this is any different than most people going through their teenage years, but I think that ... I had no identity," said Nick, who was arrested under the suspicion of murdering Rob and Michele Reiner on Sunday. "I had no passions. I think the reason I had no identity was because I have a famous dad and a famous grandpa, that fame sort of informs who you are. So I wanted to etch out my own identity with a more rebellious, angry, drug-addicted sort of persona."

What fed into the drug use, said Nick, was that he had "nothing to fill my time. Nothing to look forward to."

"There was a level of self-medication," he said. "There was also a level of doing something radical, doing something out of myself and my comfort zone."

The 32-year-old son of the late Hollywood director is expected to appear at the Superior Court of Los Angeles County on Tuesday, where he faces possible charges for murdering his parents. Prosecutors will have until the end of Wednesday to file charges.

Rob Reiner's Brentwood home had a special meaning to the famous film director before he and his wife were found slain inside on Dec. 14.

The home was actually owned by "All in the Family" producer Norman Lear before Reiner purchased the residence in 1991 for $4.75 million, according to The Los Angeles Times. Reiner's time on the show cemented his success in Hollywood as he became a household name as Mike “Meathead” Stivic.

“I would go over there, and I used to say, ‘Boy, if ever I get money, if ever I have some money to buy a house, this is the kind of house that I would like,’” Reiner told PBS in 2015.

Reiner and his wife, Michele , were found inside the home on Sunday with knife wounds. The couple's son was arrested on suspicion of murder around 9:15 p.m. that same night, the Los Angeles Police Department later revealed in a press release.

Michelle Obama revealed she and former President Barack Obama were set to meet with Rob Reiner and his wife Michele on the day the two were found dead inside their Brentwood home.

"My God. We’ve known them for many, many years, and we were supposed to be seeing them that night — last night. And we got the news," she said during an appearance Monday on "Jimmy Kimmel Live!"

"And let me just say this: unlike some people, Rob and Michele Reiner are some of the most decent, courageous people you ever want to know," Michelle continued.

She added that they have always been "passionate people in a time when there's not a lot of courage going on."

Obama had shared a message earlier Monday on the former first couple's relationship with the Reiners. The former president wrote that he and Michelle were "heartbroken by the tragic passing of Rob Reiner and his beloved wife, Michele."

"Rob’s achievements in film and television gave us some of our most cherished stories on screen," he added. "But beneath all of the stories he produced was a deep belief in the goodness of people — and a lifelong commitment to putting that belief into action. Together, he and his wife lived lives defined by purpose. They will be remembered for the values they championed and the countless people they inspired. We send our deepest condolences to all who loved them."

Jerry O'Connell, who who starred in Rob Reiner’s 1986 classic "Stand By Me," is "still in shock" over the late director's horrific death on Sunday.

"Rob was like a father to me," he said during an appearance on CBS Mornings. "It's just surreal."

"I worked with him when I was 11 and at that point in my life I wasn't getting in trouble criminally, but I was always getting in trouble for speaking out loud in class and not being able to keep my mouth shut... I remember I ad-libbed a scene one day early on in shooting ["Stand By Me"] and he was like, 'Cut, Jerry.' And I thought, 'Oh boy, here we go.' And he went, 'Hey Jerry, keep going man. That's what I'm talking about right there. Go more.' And it really... everything I have is because of Rob Reiner, everything that I have."

Kate Hudson paid tribute to the late Rob Reiner after the Hollywood director and his wife Michele were found dead inside their home Sunday.

"The loss of Rob and Michele is absolutely devastating," Hudson wrote on Instagram. "They were not only important to our close community but Rob touched so many millions globally with his art. Rob was one of the greats. Inspiring so many of us with his ability to craft films that are humorous, powerful, inspirational. He knew no genre, only great storytelling. He was loving and kind."

"I feel so lucky to have worked with him, know him, laughed with him and shared moments with him and Michele," she added. "Ones I will never forget."

Hudson worked with Rob on the 2003 film "Alex & Emma." She starred alongside Luke Wilson as Rob directed and co-produced.

"This tragedy is still being processed by our community and our sadness is immense," Hudson continued. "My love to his family and all friends. They were so loved and will be so missed. It’s with a profound heavy heart we have to say goodbye to two wonderful people."

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Jerry Seinfeld said "Seinfeld" would have never happened without the support from Rob Reiner.

"Next to Larry David and George Shapiro, Rob Reiner had the biggest influence on my career," Seinfeld wrote on Instagram. "Our show would have never happened without him. He saw something no one else could. When nobody at the network liked the early episodes, he saved us from cancellation."

"That I was working with Carl Reiner’s son, who happened to be one of the kindest people in show business, seemed unreal," he added. "I was naive at the time to how much his passion for us meant."

Rob and Michele married right as our show was starting and they became an imprint for me of how it’s supposed to work, each one broadening the other," Seinfeld continued. "Their death, together, is impossibly sad."

Rob and his wife Michele were found dead on Dec. 14 at their Brentwood home. The Los Angeles Fire Department arrived to the couple's home around 3:30 p.m. to find the couple with knife wounds.

Arnold Schwarzenegger is mourning his "wonderful friend" Rob Reiner in the wake of his death.

"In Hollywood, Rob Reiner was a rare talent: he could act, he could produce, he could direct, and he was amazing at all three," the former Governor of California wrote on X. "He was a creative genius who left us some of the greatest movies of all time, and he was a wonderful friend. My thoughts are with his family."

In 2006, Reiner considered entering the gubernatorial run for governor of California, but ultimately declined due to personal reasons.

Despite their political difference, the two often spoke positively about each other throughout the years.

Rob Reiner and his wife Michele's longtime yoga instructor claimed Nick Reiner struggled with behavioral issues from a young age.

Alanna Zabel, who worked with the late couple in the 2000s, described how Nick would often disrupt the yoga sessions. She eventually worked one-on-one with Nick. She explained Nick was just “this little boy” with “behavioral issues” who “was always upsetting everyone” but “trying to figure it out.”

“Boys are wild in general, not just Nicky,” Zabel told Page Six. “And so I would always focus on the physicality: ‘Let me teach him how to do a handstand, let me teach him how to do crow so he can feel this sense of accomplishment in his body.'

“I really focused our sessions on trying to exhaust him so that I could get to that place of connection and mindfulness,” she went on. “But I rarely got there because he was just inexhaustible.”

Zabel also noted that fame could have played a factor in Nick's behavioral issues.

“There’s also the fact that [the Reiners live] in Hollywood," she told the outlet. "I have witnessed the children of Hollywood personalities have a really difficult time [because they are] living in a fantasy world. The parents are prioritizing many things, including them, but there’s often a perception of negligence."

“Then living in a major city, where drugs are so accessible," she added. "You can use the name of someone, and it can lead kids down the wrong road if they don’t have the right guidance.”

Rob Reiner's daughter, Tracy Reiner —  whom he shared with first wife, Penny Marshall — is asking the public for privacy as she and her family grieve the "devastating" loss of her father and stepmom, Michele.

"Ms. Reiner did not make certain statements to the press that have been attributed to her, and we respectfully ask members of the media to exercise greater diligence in verifying facts prior to publication," a representative for Tracy said in a statement to Fox News Digital. "Ms. Reiner deeply appreciates the outpouring of love and recognition for the extraordinary talent and joy her father, Rob Reiner, brought to the world, as well as the life of Michele. She and her family respectfully request privacy as they grieve this devastating loss."

On Sunday, Tracy's brother, Nick , was arrested under the suspicion of murdering Rob and Michele. Their bodies were found in their Brentwood home on Dec. 14.

The Los Angeles District Attorney could announce charges against Nick Reiner —  who was arrested under the suspicion of murdering Rob and Michele Reiner on Sunday — as early as Tuesday.

The 32-year-old son of the late Hollywood director is set to appear at the Superior Court of Los Angeles County where he faces possible charges for murdering his parents. Prosecutors will have until the end of Wednesday to file charges.

Nick was originally booked into the Metropolitan Detention Center before being transferred to the Inmate Reception Center in Los Angeles, Calif. Online records now show the Twin Towers Correctional Facility as his permanent housing location.

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Rob Reiner, his wife, Michele, and their three children shared a bond like no other, despite their son Nick's ongoing challenges with addiction.

“They were such a tight-knit family," a source close to the Reiners told People magazine . They did everything together. They could never reach stability with Nick. They tried everything — giving him space, keeping him close — but his struggles are so deep. It’s just a parent’s worst nightmare.”

“They were such lovely people, and tried in every way to help their son," another source included.

On Sunday night, Nick was arrested under the suspicion of murdering his parents — who were found dead in their Brentwood home prior to Nick’s arrest.

Nick is currently being held without bail and will appear at the Superior Court of Los Angeles County where he faces possible charges for murder.

Tributes poured out for Rob and Michele Singer Reiner after their bodies were discovered Sunday at their home in Brentwood, Calif.

Demi Moore shared a photo on Instagram of Rob and Michele smiling and a second photo of herself with Rob, Kevin Bacon and Tom Cruise from their time filming "A Few Good Men." The film, which was released in 1992, was directed by Reiner.

"There are no words to truly express the unfathomable devastation of losing Rob and Michelle Reiner. Our kids grew up together, we worked together, and as our lives intertwined personally and professionally I will always cherish the moments and memories of what we shared," Moore wrote.

Jane Fonda took to Instagram explaining that she was working closely with Rob and Michele and saw them the night before their death.

"Rob and Michele Reiner were wonderful, caring, smart, funny, generous people, always coming up with ideas for how to make the world better, kinder," Fonda began. "They had been helping me launch the Committee for the First Amendment. I saw them night before last looking healthy and happy. I am reeling with grief. Stunned."

Michelle Pfeiffer shared a photo on social media of Rob and Michele smiling. "Beyond horrific. My thoughts and prayers to Michelle [sic] and Rob’s family and all those who loved them. I am so sorry," she captioned the post.

Following the initial investigation into Rob and Michele Reiner's homicides, authorities determined their son Nick Reiner to be "responsible for their deaths."

Nick, 32, was located and arrested at approximately 9:15 p.m. Sunday He was booked on suspicion of murder and is now being held without bail, according to the Los Angeles Sheriff's Department.

In 1996, Rob Reiner sat down for an interview, discussing his movie "Ghosts of Mississippi." The interview has resurfaced after his own death on Sunday night.

In the interview, which was reposted by Entertainment Tonight, Reiner said, "Just the thought of a man being killed in front of his family like that. And having a couple of sons myself, the thought of being taken away from my sons like that, it's so profoundly disturbing," Reiner said.

Rob and his wife, Michele Reiner, were both found dead at their Brentwood home on Sunday night. Their son Nick was arrested on suspicion of murder on Sunday and is set to appear in court on Tuesday morning.

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TV host Billy Bush claims that Michele Reiner was still alive when her daughter, Romy Reiner, found her and Rob Reiner suffering from stab wounds in their home and that she confirmed the culprit was their son, Nick.

"I got this from a friend who lives in the community. I heard that the son, Nick, went into his parents, stabbed both mom and dad and that the daughter I guess lives on the property or at the house or in the back house, and that she found them and that the mom was still alive. Apparently, she called an ambulance and went in the ambulance with her mother. Michele died in the ambulance but had enough time to tell her daughter that it was Nick, their son, who stabbed them," Bush said.

Official reports have made no mention of Michele being found alive.

Authorities arrested Nick Reiner roughly five hours after the Reiners' bodies were found.

From addiction struggles to violent outbursts, Rob and Michele Reiner's son, Nick, has had his share of battles throughout the years.

On Monday, the 32-year-old was arrested and booked on suspicion of murder in the horrific deaths of his parents — who were found dead at their Brentwood, Calif. home on Dec. 14. Reiner was initially booked on $4 million bail, but records now show he is being held without bail.

A Reiner neighbor told Fox News Digital that Nick had gone to rehab years ago, and she thought he was "back to normal."

"Years ago, when he was young, he was on [drugs], and he went to rehab and did well and was apparently back to normal, but obviously, that wasn't the case," Maryanne Lewis, who has lived in the Reiners' neighborhood for over fifty years, said. "I heard nothing about him recently."

Investigators believe Rob and Michele suffered stab wounds, according to a law enforcement official who spoke to The Associated Press on the condition of anonymity.

Five hours after the bodies of Rob Reiner and Michele Singer Reiner were discovered Sunday, authorities arrested son Nick Reiner.

Los Angeles Fire Department officials responded to a home on the 200 block of Chadbourne Ave. at around 3:30 p.m. Sunday where two bodies were discovered, Fox News Digital confirmed. Officials later confirmed the bodies to be of Rob Reiner and his wife Michele.

Nick, 32, was located and arrested around 9:15 p.m. local time, the Los Angeles Police Department said in a press release shared Monday. Nick was then booked into jail after 5 a.m. on Monday, Dec. 15.

A law enforcement official who spoke to The Associated Press on condition of anonymity confirmed investigators believe the couple suffered stab wounds. Rob and Michele's home also showed no signs of forced entry, officials told the Los Angeles Times.

The bodies of Rob Reiner and wife Michele Singer Reiner were discovered Sunday at their home in Brentwood, Calif.

Investigators believe Rob and Michele suffered stab wounds, according to a law enforcement official who spoke to The Associated Press on condition of anonymity.

Reiner's son, Nick Reiner, was confirmed Monday as a suspect in the deaths of "The Princess Bride" director and his wife. He remains behind bars without bail.

Los Angeles Fire Department officials responded to a home on the 200 block of Chadbourne Ave. at around 3:30 p.m. Sunday where two bodies were discovered, Fox News Digital confirmed. Officials later confirmed the bodies to be of "The Princess Bride" director, Rob Reiner, and his wife Michele.

During a press conference, LAPD Chief Jim McDonnell admitted the information surrounding the deaths was limited.

"First of all, our hearts go out to the family and friends of the Reiners," the LAPD police chief said at the press conference.

"LAPD responded to, a residence, the residence of, Rob and Michelle Reiner, located in West Los Angeles division. At that location, they found two deceased adults, a male and a female. Through the night working with the coroner's office, they were able to identify them, definitively as Rob and Michelle Reiner. We have our robbery homicide division handling the investigation."

McDonell confirmed Nick was subsequently booked on suspicion of murder.