 A Texas detective is killed in the line of duty. There's a manhunt for the killer. The Harris County detective was shot and killed Wednesday night while pursuing a person who had pistol whipped a worker at a pizza store in Houston. Harris County Sheriff's Department Chief Deputy Mike Lee says the detective was, quote, ambushed after tracking down the suspect's vehicle. Other detectives in the area went to his location, and at that time they saw his undercover vehicle with multiple gun strikes in it.