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Drew Peterson murder trial resumes Tuesday with focus on initial investigation

Drew Peterson
Former Bolingbrook, Ill., police sergeant Drew Peterson arrives at the Will County Courthouse in Joliet, Ill., for his arraignment on charges of first-degree murder in the 2004 death of his former wife Kathleen Savio. AP Photo/M. Spencer Green

(CBS/AP) CHICAGO - The focus during a fifth day of testimony at ex-cop Drew Peterson's murder trial is expected to be on the questionable investigation that followed the discovery of his third wife's body.

Among those prosecutors are expected to call to the stand Tuesday is retired state police sergeant Patrick Collins and crime scene investigator Robert Deel.

Investigators have conceded earlier they weren't as thorough as they could have been after finding Kathleen Savio dead in her bathtub in 2004. They quickly concluded her death was accidental and no physical evidence was collected.

The 58-year-old Peterson was only charged in Savio's death after his fourth wife, Stacy Peterson, went missing in 2007. Savio's body was then exhumed and her death reclassified as a homicide.

Peterson has denied any wrongdoing.

Complete coverage of the Drew Peterson case on Crimesider

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