A man "believed to be the alleged gunman" in the killing of a uniformed Houston-area sheriff's deputy was in custody Saturday morning, Sgt. William Kennard of the Texas Department of Public Safety told CNN.
The man's mother called the Harris County Sheriff's Department about her son, Kennard said. "All the information she had heard led to him."
A red pickup truck was parked at the spot where deputies took the person in custody, according to video shot by KTRK. Authorities had said the suspect drove away from the shooting in a red Ford Ranger.
The suspect shot Deputy Darren H. Goforth, 47, while the deputy was fueling his patrol car, Harris County Sheriff Ron Hickman said.
The gunman walked up to Goforth from behind and opened fire for no apparent reason, said Deputy Thomas Gilliland, a spokesman for the sheriff's office. When Goforth fell to the ground, the gunman stood over him and shot him some more, Gilliland said. Goforth died at the scene.