O.J. Is Innocent And I Can Prove It In New Book, P.I. William Dear Claims O.J. Simpson's Son Was The Killer *snip* The latest installment in the Simpson library is not another "If I Did It," in which the former gridiron great speculated on how he might have killed his former wife. Instead, the new book points the finger of guilt away from Simpson and lays the blame on his son, Jason Simpson. "Everything we have in the book is documented. It is not theory or hypothesis. It is fact," renowned private investigator William C. Dear told The Huffington Post about his book, "O.J. Is Innocent and I Can Prove It." *snip* "I flew out two weeks after the murders," he said. "I climbed over the back gate and walked the walkway to the front door, and that's when I realized O.J. could not have done it. But he was there. He was either there at the time or there afterwards [and] became part of the crime." In his book, Dear claims that he has the knife used in the murders, along with photos and other evidence that suggest the true killer was Jason Simpson, O.J.'s son with his first wife. "When I tell you we have the weapon -- we found the weapon in Jason's storage facility that he failed to make payments on. We know he carried it -- his initials were carved in the leather sheath," Dear said. "We have emails from his former roommates that were in college with him. We have our suspect's diaries. We have his forged time card, and we have the vehicle he was driving on the night of the murders," said Dear. The private investigator also claims to have photos of Jason Simpson wearing the knit cap that was found at the murder scene. *snip* "Our suspect at the time was 5'11" and 235 pounds," Dear said. "He was 24 years old, and he was on probation for assaulting his previous employer with a knife. In addition to that, he's had three attempted suicides and has been in a psychiatric unit." *snip* "I have been inducted into the Police Officer Hall of Fame as a private investigator, so my credentials are not [that of] some idiot guy just throwing it out there. My reputation is important to me. I would not say any of this without a great deal of backup," Dear said. Dear also contended that he has managed to convince others that his theory has merit. "I recently did a speech in front of 533 law enforcement investigators and prosecutors," he said. "The first statement I made was 'How many of you believe O.J. was guilty?' and everyone raised their hand. When [my speech] was over, I asked the same thing and only three people voted guilty. So when you get law enforcement and all these people to take that position, that's a pretty strong position."