The author of the book “O.J. Is Innocent and I Can Prove It” appeared on The O’Reilly Factor to make his case on why he thinks O.J. Simpson’s son murdered Nicole Brown Simpson and Ron Goldman. William Dear brought the evidence that he says proves O.J.’s son Jason Simpson committed those murders.

The private investigator showed Bill a knife that he claims is the murder weapon. He said that when Jason failed to pay the rent of a storage facility, he was able to get it back with all the contents including this knife. According to Dear, what makes this so “obvious” is that this type of knife is designed to kill and when experts compared it to injuries to Nicole’s skull, it “matches perfectly.”

Bill wasn’t convinced, asking Dear why the Los Angeles police don’t have the knife based on what he’s saying. “You wrote the book, I don’t know if it’s true or not. But you have a piece of evidence there and they should be able to match it or not match it. So, we’ll find out,” Bill said, promising to follow up on this case.