Transcript for Drew Peterson Trial: Third Wife's Sister Testifies
On the witness stand on day four of drew Peterson's murder trial prosecutors accused Peterson of murdering his estranged third wife Kathleen saw -- in 2004. Today her sister claims salvia believed Peterson was going to kill her and asked her to care for her two sons after her death -- -- were drowned in a bathtub. Prosecutors claimed the former suburban Chicago police officer staged the death to look like an accident.
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