That knife that was found is now being tested to see if it has any connection to the 1994 murders of O.J.'s ex-wife Nicole Brown Simpson and her friend Ron Goldman.
Back in 1994 Nicole and Ron were stabbed to death outside of her house in Brentwood, Calif.
O.J. was put on trial for the murders but he was acquitted in 1995.
After Nicole and Ron's death, the murder weapon seemingly disappeared. So who found the knife and what's the latest update on the case?
Watch the E! News video above to find out!