The son of director Rob Reiner and Michele Singer Reiner has spoken about the "living nightmare" he has endured since his parents were brutally killed late last year.
Jake Reiner, whose younger brother Nick has been charged with their murders, has told how his "world collapsed" after being informed that his parents had been found dead at their home in Los Angeles on 14 December.
Writing on Substack, the 34-year-old actor and writer said: "My world, as I knew it, had collapsed. I was in a trance.
"The only thing I could focus on was that I needed to get to my childhood home. I needed to get to my sister [Romy]. I needed to figure out what the hell just happened."
He added: "It's too devastating to comprehend. I still wake up every morning having to convince myself that, no, it's not a dream. This truly is my living nightmare."
His father, 78, and his mother, 70, were found dead in the bedroom by paramedics responding to an emergency call.
"They should be enjoying the rest of their lives peacefully while growing older together," wrote Reiner in the post, entitled "Mom and Dad".
"Instead, that was ripped away from them, from me, from Romy, and there was nothing we could do about it."
He went on: "My parents won't be at my wedding, they won't get to hold their future grandchild, and they won't get to see me have the successful career I'm still seeking.
"It simultaneously breaks my heart and enrages me."
Reiner did not name his brother, who is alleged to have stabbed his parents before fleeing, in the post.
However, he said: "Sure, any loss of a parent is devastating, but nothing compares to losing both of them at the same time and, on top of that, having your brother be at the center of it. It's almost too impossible to process."
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Nick Reiner, held without bail since his arrest, has pleaded not guilty to their murders.
The 32-year-old is due to return to court on 29 April for the scheduling of a preliminary hearing, where prosecutors will present evidence and a judge will decide if it is enough for him to go to trial.
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