Having grown up working the oil fields in West Texas like his father, Senior Corporal Robert Cockerill is no stranger to hard work. A Dallas SWAT member for over 15 years, Senior Corporal Cockerill has continued the same work ethic from the oil fields to his job as a SWAT officer. Senior Corporal Cockerill's specialty within his SWAT team is as a sniper, which requires not only accuracy, but also skill.