A man accused of killing three of his co-workers Wednesday in a shooting rampage at Emmorton Business Park in Edgewood, Maryland, has been arrested, police said. Two other people were critically injured, triggering a day-long manhunt along Interstate 95. The suspect, Radee Labeeb Prince, is also suspected of opening fire on and wounding a man in Wilmington, Delaware, shortly after the first attack. Prince, a felon with 42 arrests in Delaware, was apprehended by ATF agents and other law enforcement in Wilmington late Wednesday after police were tipped off to the location of his vehicle. Prince reportedly discarded a handgun once he saw police approaching and ran about 75 feet before he was caught. Police are investigating the shootings as a case of workplace violence but have not yet revealed a motive.