Federal investigators are taking a look at the 2004 death ofKathleen Savio and the police investigation that followed themysterious drowning of Savio, Drew Peterson's third wife.
Their effort, according to a law enforcement source, will includereviewing documents related to Savio's death, which initially wasruled an accident.
The FBI has been assisting the State Police in their probe intothe disappearance of Stacy Peterson, the former Bolingbrook policesergeant's current wife.
The feds' interest in Savio's death comes as Will Countyofficials are reviewing the 2004 coroner jury's conclusion in thecase. Savio's body was removed from a Hillside grave, but …






