Two of Will County’s biggest criminal trials in recent memory could overlap this summer.
Peterson also is the only suspect in the disappearance of his fourth wife, Stacy Peterson. After Stacy vanished in 2007, authorities exhumed Savio’s body and reclassified her death as a homicide.
Vaughn is accused of murdering his family in 2007 in a Ford Expedition after pulling off the side of Interstate 55 on the way to Oswego.
Prosecutors claim Vaughn retrieved a hand gun from the vehicle's roof rack, wrapped it in his fleece jacket and shot his wife in the head before training the gun on his children, ages 12, 11 and 8.
Jury selection for Vaughn begins Aug. 13, the Tribune reported. Though jury selection is scheduled for August, a date for Vaughn’s hearing has not been set.