Conan O'Brien seen almost one month after Reiner murders

Conan O'Brien was photographed at a SiriusXM event nearly a month after a December party he hosted that included Rob and Nick Reiner; Rob and his wife Michele were found dead the following day and reports say their son has been accused, while some guests reported a loud argument at the party.

Conan O'Brien was photographed at a SiriusXM event on Saturday, almost a month after a December holiday party he hosted. The party on December 13 included director Rob Reiner and his son, Nick, and took place hours before Rob and his wife Michele were found dead the following day. Multiple attendees told media there had been a loud argument between Rob and Nick at O'Brien's party and that some guests considered calling police. A source close to the Los Angeles Police Department said there were no 911 calls from O'Brien's house that night. Known details: - O'Brien was seen at SiriusXM Presents Before The Buzz and posed with fellow comedians at the event. - The December 13 gathering included Rob and Michele Reiner and their son; the Reiners were found dead the next day and reports allege their son has been accused. - Several guests told outlets there was a heated argument between Rob and Nick at the party and that at least one person suggested contacting police. The Daily Mail reported that O'Brien discouraged making a 911 call. - A source close to the Los Angeles Police Department said there were no 911 calls from O'Brien's house on the night of the party. - Some reports say Rob told friends at the gathering that he feared his son; a spokesman later denied that Rob made those comments. Summary: The reporting has focused on the December gathering, accounts from attendees and statements from spokespeople and law enforcement sources. Undetermined at this time.