At the time of his death, Ivers had been dating film executive Lucy Fisher for many years. About five weeks after the murder, Fisher paid for a private investigator named David Charbonneau to investigate the crime. Charbonneau interviewed a number of people who knew Ivers, but due to the botched initial investigation, lack of evidence and lack of witnesses, the renewed investigation came to nothing. Charbonneau stated: "I do not believe it was a break-in. I do not believe it was just someone off the street that Peter brought in because he was a nice guy that night and fell asleep trusting them. I'm not buying it."