WATCH: 6-year-old fighting Leukemia becomes CHiPs officer for a day

A dream became a reality for a boy who wanted to become a California Highway Patrol Officer.6-year-old Tristan joined the force and even helped pull over a speeding driver (a fellow officer).“We saw right away that Tristan was an especially brave kid and knew immediately he would make a fine Highway Patrolman; and for one special day, a very special boy became a CHP Officer,” the patrol wrote on its Facebook page.Check out the full video below: