LAPD: Knife found at O.J. Simpson's home not murder weapon 

LOS ANGELES (AP) — After nearly a month of testing, Los Angeles police detectives have concluded a knife found at the former estate of O.J. Simpson was not the weapon used to kill Simpson’s ex-wife Nicole Brown Simpson and her friend Ronald Goldman in 1994.

Investigators ruled out the knife after weeks of forensic tests, Police Capt. Andy Neiman said Friday. “We have confirmed, we have determined,...