The investigation into the death of Hoffman is raising questions . Out of one of heroin death investigations 18 , how many yield results . But Joseph Giacalone , a retired NYPD detective with more than 20 years of experience as an investigator , believes the police response in the Hoffman case was undoubtedly influenced by media attention surrounding an apparent overdose death of a celebrity . `` What makes his death more important than that of my 19-year-old son ? '' one mother asks . one expert says the difference is people appear to be willing to cooperate in Philip Seymour Hoffman 's death .
The investigation into the death of Hoffman is raising questions . Out of one of heroin death investigations 18 , how many yield results . `` What makes his death more important than that of my 19-year-old son ? '' one mother asks . one expert says the difference is people appear to be willing to cooperate in Philip Seymour Hoffman 's death .