The news out of Hollywood right now continues to be utterly heartbreaking... As we've been reporting, legendary filmmaker Rob Reiner - the man behind classics like When Harry Met Sally and The Princess Bride - and his wife Michele Singer Reiner were found dead in their Brentwood home Sunday afternoon in what authorities in Los Angeles have determined to be a double homicide. Related: Woman Accused Of Torturing & Murdering Pregnant Daughter, Cutting Baby Out Of Womb Even more tragic and complex is the fact that the late couple's 32-year-old son Nick Reiner has been arrested and "booked for murder," per the LAPD. In a statement released Monday, authorities said: "As a result of the initial investigation, it was determined that the Reiners were victims of homicide. The investigation further revealed that Nick Reiner, the 32-year-old son of Robert and Michele Reiner, was responsible for their deaths." Nick, who has struggled with addiction, now finds himself the alleged suspect in an unimaginable family tragedy that has stunned both Hollywood and the wider world. Now, as the LAPD continues its investigation into these terrible murders, scroll down to get caught up on everything we know so far... Presumed Dead, EXCLUSIVE Details About Rob Reiner And His Wife Confirmed Dead, Rob Reiner And His Wife Horrifically Murdered. Terrifying Details HERE Rob Reiner's Son In Custody For His Murder! His Daughter Was The One Who Discovered Him And His Wife Dead 'Profound Sorrow': Rob Reiner's Family Releases Statement After He And Wife Are Murdered By Their Son Rob Reiner & Wife Murdered, Son Nick Arrested - After Daughter Alleges He Slit Their Throats In Heated Argument: DETAILS Donald Trump Makes Wild New Claim About Rob Reiner Following The Director And His Wife's Murder - By Their Own Son! Rob Reiner's Adopted Daughter Breaks Silence On 'Shock' Killings - Shares Last Time She Saw Father Rob Reiner & Wife Murdered: Ben Stiller, Barack Obama, & More React To Tragic Hollywood Slayings Larry David & Billy Crystal Visit Home Of Murdered Friend Rob Reiner & His Wife Following Brutal Slayings Donald Trump Has The Most Unhinged, Insensitive Reaction To Rob Reiner's Murder - Zero Class, Zero Shame! Rob Reiner's Son Nick Faces Murder Charge Following Tragic Slayings Of Legendary Director And Wife: Police Rob Reiner Warned 'This May Be The Last Time You Ever See Me' In One Of His Final Interviews... Rob Reiner's Son Nick Had 'Dark' History With Drug Addiction For Years Before Parents' Grisly Murders Rob Reiner & Son Nick Got Into 'Very Loud Argument' At Conan O'Brien Holiday Party Night Before Murders Donald Trump Supporters Strongly Condemn POTUS For 'Heartless' Post On Rob Reiner's Murder: 'Take It Down!!' The Day Before His Murder, Rob Reiner And His Son... Nick 'Hated Himself' & 'Really Resented' Dad Rob Reiner - Here's Why Rob Reiner's Son BOASTED About Violent Past! In An Interview, He Revealed... Zooey Deschanel's 'Heart Is Broken' Over Death Of 'New Girl' Dad Rob Reiner: 'I'm Absolutely Devastated' Remembering Rob Reiner! And MORE Hot Topics! Rob Reiner's Son Nick Describes Destroying Parents' Home During Drug-Fueled Rage: 'Everything Got Wrecked' More Details About Nick Reiner's 'Crazy' Behavior At Conan O'Brien's Party The Night Before Rob & Michele's Murders What Rob Reiner's Daughter Told Police About Her Brother, Who Is Charged For The Murder Of Their Parents Rob Reiner Recalled Feeling 'Desperate' To Treat Nick's Addictions 10 Years Ago - Then Regretted How He Handled It We are still so, so sad over all this... [Image via Instagram/MEGA/WENN] The post Nick Reiner 'Responsible' For Grisly Murders Of Parents Michele & Rob Reiner: Everything We Know So Far appeared first on Perez Hilton.