The Jefferson County Sheriff’s Office has issued an arrest warrant for a sexual predator. 36-year old Courtney Joseph Walker, a registered sex offender, exposed himself to a child on April 11th while visiting the victim’s family. Walker is 5-8, 160 lbs, and has a state of Texas tattoo under his left eye. Anyone that knows the whereabouts of Courtney Joseph Walker can contact Crime Stoppers at 833-TIPS.