The family of Drew Peterson's third wife plans to file a wrongful death lawsuit against the former police officer, their attorney said.

Martin Glink, the lawyer for Kathleen Savio's father and sister, told The Herald News that the suit claims Peterson and Savio clashed a number of times during their bitter divorce and Peterson entered Savio's home on two occasions against her will.

Glink said he expected to file the litigation on Monday, according to the newspaper. There was no immediate word on whether the lawsuit was brought as scheduled.

Click here for photos.

Savio was found dead in a dry bathtub in 2004, initially believed to be the victim of an accidental drowning. After Peterson's fourth wife Stacy Peterson disappeared in October 2007, Savio's body was exhumed for another autopsy. Her death was reclassified as a homicide.

Peterson has not been charged in either Stacy Peterson's disappearance or in Savio's death and has denied wrongdoing. Authorities have said he is the focus of their investigation in both cases.

Last month, the ex-Bolingbrook police sergeant announced he would take his fight to regain control of Savio's estate to the Illinois Supreme Court.

Click here for more on this story from The Herald News.