Rodney Harrison formed taskforce that later identified Rex Heuermann as a suspect in the string of New York murders Rodney Harrison formed taskforce that later identified Rex Heuermann as a suspect in the string of New York murders R odney Harrison was not in the courtroom in Riverhead on New York’s Long Island last week when serial killer Rex Heuermann pleaded guilty to the murders of seven women and volunteered that he’d also murdered an eighth. But as the New York police department’s former