OKLAHOMA CITY - Police continue searching for answers in a three year old murder case in Oklahoma City.

Police suspect Noel Fuentes killed Dwight Thomas Patrick in 2009. Patrick's body was found in one of his plumbing company vans. He was stabbed to death.

Investigators believe Fuentes fled to Mexico, but now believe he's back in the United States working in the plumbing business.

If you know anything about Fuentes' whereabouts, call crime stoppers at (405) 235-7300.