PINELLAS COUNTY, Fla. – Detectives are investigating a fatal shooting that took place at a residence in unincorporated Largo. According to detectives, at approximately 3:54 p.m., deputies assigned to the Patrol Operations Bureau responded to the occurred location after reports of shots fired. Read: Pinellas County Deputies: Missing Man Last Seen Leaving Hospital Has Been Located Safe Once on scene, deputies learned this was a domestic-related incident, and they located 55-year-old Mark Duell deceased from a gunshot wound. The shooter, 24-year-old Devin Berry, is cooperating with the investigat…