A 30-year-old Escambia County man is facing federal charges after sending a handwritten note to Sheriff David Morgan threatening to attack schools, beaches and other targets. Regis Walker was said to have mailed the threatening letter on notebook paper claiming that ten people who had joined ISIS would simultaneously attack military bases, beaches, and schools at a nonspecific time and could not be stopped by law enforcement. He was charged with mailing threatening communications. The investigation was handled by the FBI, nvestigation, the Internal Revenue Service, and the Florida Department of Law Enforcement.