Peterson was arrested Thursday and appeared in court Friday.
Savio died in 2004.
Peterson's fourth wife, Stacy Peterson, has been missing since October 2007. No charges have been filed in her disappearance.
Peterson was arrested Thursday and appeared in court Friday.
Savio died in 2004.
Peterson's fourth wife, Stacy Peterson, has been missing since October 2007. No charges have been filed in her disappearance.