Castulo Gerardo Gonzalez was 30 when he was last seen in McAllen, Texas on April 6, 2006.

Gonzalez is described as a Hispanic male, 5 feet 11 inches, about 190 pounds, with brown hair and green eyes. Distinctive tattoos include the letter R on a middle finger and a tattoo of a woman with the name Regina on his left leg. Authorities say he may also use the names Castulo Gutierrez-Gonzalez or Pablo Dominguez. The Texas Department of Public Safety is handling the investigation.

If anyone knew Castulo, saw him in McAllen around April 6, 2006, or has information about the aliases listed, please contact the Texas Department of Public Safety.