EDGEWOOD, Md. (AP) — A gunman opened fire at a Maryland office park on Wednesday morning, killing three co-workers and wounding two others, authorities and the business owner said. Harford County Sheriff Jeffrey Gahler identified the shooter as 37-year-old Radee Labeeb Prince. He said Prince opened fire with a handgun and then fled the Emmorton Business Park in Edgewood. Police were looking for him, and he was considered armed and dangerous.