The Broward Sheriff’s Office sergeant who was the first supervisor to respond to the Marjory Stoneman Douglas High School shooting and lost his job after it was found he hid behind his car as the first shots rang out, will be reinstated, awarded full back pay and get back his seniority, the BSO Deputies Association said Wednesday.

Sgt. Brian Miller was one of the four deputies who were terminated because of a “neglect of duty” in the Feb. 14, 2018, Parkland shooting, which killed 17 students and faculty members and injured another 17.

Miller, 57, was paid $138,410.25 in 2017, according to the Sun-Sentinel. The BSO veteran had challenged the decision with union backing. An arbitration ruling found “BSO violated Sgt. Brian Miller’s constitutional due process rights and improperly terminated him,” the union said.