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MODESTO, Calif. (AP) — No blood or human tissue has been discovered on a 10-inch knife reportedly found at the home where convicted murderer Scott Peterson lived, authorities said.
"It's exactly what we expected," Birgit Fladager, one of three prosecutors who helped convict Peterson, said Wednesday.
Gerry Roberts, who recently purchased the home for $390,000, turned the knife over to police last month.
Roberts said two of his friends found the knife inside a cabinet near the swimming pool in the backyard.
Authorities then submitted it for forensic testing.
Police still don't know how Peterson killed his pregnant wife, Laci, and her fetus. No murder weapon was ever found.
Peterson was sentenced to death in December.
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