SARASOTA, Fla. (Court TV) — The case against a Florida man charged with killing his roommate using a knife, scissors and golf clubs is on hold after a judge ruled him incompetent to stand trial. Coy Bothwell is charged with homicide. (Sarasota County Jail) Coy Bothwell, 47, has pleaded not guilty to second-degree murder in the death of Tiffany Schiessl, 32, who had lived with the defendant for only two months before her death. Bothwell’s defense…