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A private investigator in Texas says he's cracked the O.J. Simpson case. William Dear has been obsessed with the 1994 murders of Nicole Brown and Ron Goldman for 30 years. He says the knife found at Simpson's home was not the murder weapon. He claims that he obtained the real murder weapon, a knife that was part of the auctioned contents of an abandoned storage unit. He goes on to assert that O.J. is not the killer, but his son Jason is. Dear believes modern DNA technology can lead to an arrest. Jason Simpson has never been named as a suspect. O.J. Simpson is reportedly undergoing treatment for prostate cancer in Las Vegas.