POLK COUNTY, Fla. (WFLA) – Authorities in Polk County continue to probe the grisly killings of three men who were found beaten and shot to death in Frostproof over the weekend. The victims, Brandon Rollins, 27, Keven Springfield, 30, and Damion Tillman, 23, were “massacred” near Lake Streety during a nighttime catfishing trip, Sheriff Grady Judd said at a news conference Saturday.