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<\/p>\nLOS ANGELES \u2014 Nick Reiner had been disruptive at a holiday party Saturday with his parents, Rob Reiner and Michele Singer Reiner, according to two people familiar with the situation, just hours before they were found dead in their Los Angeles home.<\/p>\n
Nick Reiner, who was arrested Sunday and later booked on suspicion of murder, made other guests uncomfortable with his behavior at the holiday party, which was hosted by comedian Conan O\u2019Brien, one person said. Another person said Reiner\u2019s parents were upset and embarrassed about their son\u2019s behavior at the party and expressed worries about his health. <\/p>\n
The two people asked that their names be withheld because of the sensitivity of the matter.<\/p>\n
The deaths of Rob Reiner, a legendary actor and filmmaker, and his wife, Michele Singer Reiner, have rattled Hollywood, where the family was widely beloved. But the family\u2019s challenges with their younger son, Nick, were also well-known, particularly his battles with drug addiction. Nick Reiner, 32, was living on and off at their home in Brentwood, one person said. <\/p>\n
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A representative for O\u2019Brien did not immediately respond to a request for comment. It was not immediately known whether Reiner had legal representation.<\/p>\n
The three Reiners attended O\u2019Brien\u2019s gathering together. One person said Nick Reiner had at least one interaction that left partygoers concerned.<\/p>\n
He is alleged to have interrupted a conversation involving comedian Bill Hader. When Hader told him the conversation was private, the source said, Nick Reiner appeared to stand still and stare before \u201cstorming off.\u201d<\/p>\n
A representative for Hader did not immediately respond to a request for comment. <\/p>\n
Authorities have said they continue to investigate the circumstances of the deaths and are holding Nick Reiner without bail. <\/p>\n
Nick Reiner, one of four siblings, had been vocal about his experiences with rehab and addiction treatment that he started when he was 15. <\/p>\n
In 2015, Rob and Nick Reiner teamed up for the film \u201cBeing Charlie,\u201d which Rob directed and Nick co-wrote. The drama, inspired by Nick\u2019s experiences, follows the addicted son of a would-be governor who \u201cgoes down the long, rough road of rehab, fighting against recovery every inch of the way,\u201d according to its IMDb description<\/a>.<\/p>\n