Dom comes face to face with the American criminal justice system, working as a correctional officer in Randall County jail.
Dom takes on his toughest challenge yet, working as a paramedic in Austin, Texas. His mentor is clinical specialist Cassi Lydon, a veteran paramedic.
Dom takes a break from the blue lights and sirens and really gets his hands dirty, working on a cattle ranch in Austin, Texas.
Dom's patrolling the seas and skies, working as a coastguard in Corpus Christi, Texas.
Dom lines up with some serious firepower, working as a US Marshal in San Antonio, Texas.
Dom fulfils his boyhood dream, working as a firefighter in the Wichita Falls Fire Department, Texas.
Dom's put through his paces on the front line of American law-enforcement, working as a police officer with the Aransas Pass Police Department.
Today Dom does his bit for the natural world, working as a game warden in Cameron County, Texas.
Dom joins the US Army's First Armoured Division at Fort Bliss, one of the largest military bases in the whole USA.
Dom have the smarts to make the grade as a private investigator in Texas?