Former Bolingbrook, Illinois, police officer Drew Peterson is under suspicion of murdering both his third and fourth wives. Peterson's fourth wife, Stacy Peterson, has been missing since October 2007; Peterson is the only suspect in her disappearance. ChicagoTribune.com: Drew Peterson Engaged: the Former Cop Suspected in the Disappearance of His Wife Plans to Marry (December 17, 2008) FOXNews.com: Drew Peterson Engaged Though Still Married to Missing Wife (December 17, 2008)

In December 2008, the 54-year-old Peterson announced that he was engaged to be married for the fifth time to 24-year-old Christina Raines.Chicago Sun-Times: Dad Afraid his daughter will be Drew's Next Wife (December 18, 2008) On January 29, 2009, Peterson appeared on Nightline, discussing his past marriages and stating his intention of marrying Christina Raines. The next day, Raines' father Ernie Raines drove to the house she shares with Peterson and, with the aid of police, forced her to leave Peterson.Chicago Tribune: Peterson girlfriend packs up, walks outm(January 31, 2009)

The mysterious disappearance of the 23-year-old mother of two young children drew national attention. Peterson's third wife, Kathleen Savio, was found dead in a bathtub in 2004. The death was initially ruled and accident but after Stacy Peterson vanished, the body of Savio was exhumed and the case was reclassified as a homicide.