The suspected gunman who killed three people and injured several others at a naval base in Pensacola, Florida, on Friday morning was a Saudi national, according to law enforcement sources. Sources identified the shooter, who was killed in the incident, as Mohammed Saeed Alshamrani. The FBI was the lead agency in charge of the investigation as of Friday afternoon. nearby Baptist Hospital for treatment. Download the NBC News app for breaking news and politics Two Escambia County sheriff's deputies were on scene immediately after reports of a shots fired at about 6:50 a.m. local time. They were injured in an...