Fontenot was found dead inside a silver SUV in Northwest Harris County on Nov. 4.
According to the Harris County Sheriff's Office, the SUV crashed into the front yard of a home in the 10400 block of Cedar Park Ln. near Seton Lake. Deputies said the man had been shot, but there were no visible bullet holes in the vehicle.
It was unclear whether he was shot while driving or got into the car after he was hit.
"He lost control of the vehicle and drove up into a yard, and the vehicle was stopped at that point," HCSO Sgt. Curtis Brown said.
Investigators are trying to locate witnesses to get more information.
Crime Stoppers will pay up to $5,000 for any information called in to the (713) 222-8477 tips hotline or submitted online at www.crime-stoppers.org that leads to the identification, arrest and/or charging of the any of suspect in this case.
Tips can also be sent by text message - Text TIP610 plus your tip to CRIMES (274637). All tipsters remain anonymous.