Nick Reiner, the son of film director Rob Reiner, has been arrested after his parents were found dead on Sunday evening.
Mr Reiner and his wife, Michele Singer, were found dead at their home in Brentwood, an affluent area of Los Angeles.
It is understood Nick, 32, was arrested on Sunday and charged today.
He remains in custody on $4m (£2.9m) bail, according to the LASD Inmate Center records.
Rob Reiner and his wife Michele Singer | GETTYTRENDING
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The couple was found dead with stab wounds, with the LASD Inmate Information Center confirming their son was charged with a felony level crime.
It is understood he was arrested at 9:15pm local time before being charged at 5:04am on Monday, December 15.
The 32-year-old is the second of the couple's three children that they share together.
Rob Reiner was an award-winning Hollywood director and actor | GETTYHe had worked as a screenwriter and is credited with co-writing the the 2016 film Being Charlie, which his father directed.
He told People at the time of the film's release that the plot, about a drug-addicted teenager, was loosely based on his own struggles.
Mr Reiner also stated at the time: "When Nick would tell us that it wasn’t working for him, we wouldn’t listen."
Speaking to the LA Times, he continued: "We were desperate, and because the people had diplomas on their wall, we listened to them when we should have been listening to our son.”
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Nick Reiner had opened up in the past about his struggles with addiction
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Ms Singer shared: "We were so influenced by these people. They would tell us he’s a liar, that he was trying to manipulate us. And we believed them."
Nick had shared that he'd "got sick of" suffering from addiction.
He commented: "I come from a nice family. I’m not supposed to be out there on the streets and in homeless shelters doing all these … things."
Hollywood director Rob Reiner and his wife Michele Singer were discovered dead at their Los Angeles residence | GETTYPresident Donald Trump has sparked controversy with his remarks following the tragic discovery though.
Speaking on Monday, Mr Trump claimed Mr Reiner suffered from "Trump Derangement Syndrome".
He shared Truth Social: "A very sad thing happened last night in Hollywood.
"Rob Reiner, a tortured and struggling, but once very talented movie director and comedy star, has passed away, together with his wife, Michele, reportedly due to the anger he caused others through his massive, unyielding, and incurable affliction with a mind crippling disease known as TRUMP DERANGEMENT SYNDROME, sometimes referred to as TDS.
"He was known to have driven people CRAZY by his raging obsession of President Donald J. Trump, with his obvious paranoia reaching new heights as the Trump Administration surpassed all goals and expectations of greatness, and with the Golden Age of America upon us, perhaps like never before."
He ended the statement: "May Rob and Michele rest in peace!" (sic)
Donald Trump claimed Mr Reiner died because of 'Trump Derangement Syndrome' | GETTYMr Reiner had been a vocal critic of Mr Trump since he first took office in 2016.
The 78-year-old filmmaker, celebrated for classics such as When Harry Met Sally and The Princess Bride, and his 68-year-old spouse appeared to have sustained knife wounds, according to law enforcement sources.