Michael Loccisano, Getty Images<\/span><\/p> Sources close to the investigation say the couple\u2019s throats had been slit, allegedly during a violent family dispute.<\/p>\n According to TMZ<\/em><\/a>, it was their daughter, Romy Reiner, who discovered the horrific scene. She reportedly informed investigators that a \u201cdangerous\u201d family member should be considered a suspect.<\/p>\n In a new statement<\/a>, the Los Angeles Police Department confirmed that Nick Reiner is \u201cresponsible\u201d for the deaths of his parents. He was arrested around 9:15 p.m. on Sunday, authorities said.<\/p>\n While Nick is currently in custody, investigators have not disclosed a motive, nor have they elaborated on how the victims died or how they determined Nick\u2019s involvement.<\/p>\n READ MORE:<\/strong> Reba McEntire Remembers the Late Rob Reiner as \u2018A Gift\u2019<\/a><\/span><\/p>\n Nick \u2014 the second of Rob and Michele\u2019s three children \u2014 has publicly struggled with addiction and mental health issues for years.<\/p>\n In a 2016 interview<\/a>, he opened up about cycling through more than a dozen rehabs and experiencing homelessness across several states.<\/p>\n His journey inspired the semi-autobiographical film Being Charlie<\/em>, which he co-wrote and which was directed by his father.<\/p>\n The deaths of Rob and Michele Singer Reiner<\/a> have sent shockwaves through the entertainment world.<\/p>\n Rob, known for directing classics like Stand by Me<\/em>, The Princess Bride,<\/em> When Harry Met Sally<\/em>, and A Few Good Men<\/em>, was a towering figure in both film and television.<\/p>\n YouTube \/ AOL Build<\/span><\/p> Michele, a photographer and producer<\/a>, collaborated with Rob on several projects and left her own quiet but powerful mark on the industry.<\/p>\n Their loss \u2014 reportedly at the hands of their own son \u2014 has left family, friends, and fans reeling.<\/p>\n It’s shocking to hear when one of your fave actors, musicians or models is murdered. In fact, many of them still haunt us to this day. Below, discover 25 who were killed.<\/p>\n<\/div>\n Gallery Credit: Natasha Reda<\/a><\/p>\n<\/div>\n<\/div>\nNick Reiner Arrested<\/h3>\n
A Tragic Loss Felt Across Hollywood<\/h3>\n
Celebrities Who Were Murdered<\/h2>\n