Trooper Walker was a loving husband and father to four children. He is a second generation peace officer. His career in law enforcement began in 2003 with the Groesbeck Police Department and continued as a member of the Athens Police Department, Henderson County Sheriff’s Office and Limestone County Sheriff’s Office. Trooper Walker joined DPS in 2015 and was stationed in Groesbeck. He is the 223rd DPS officer to die in the line of duty since 1823. The Athens Police Department released the following statement regarding Trooper Walker's death: "In October of 2003, at the age of 21 ½, Chad joined the Athens Police Department where he worked for almost 7 ½ years.