Hey everyone i heard this on channel 4 news last night 09/28/2007 -- Detroit police are investigating a carjacking outside their headquarters in downtown Detroit. Officers said three people attempted to carjack a man around 11 p.m. Thursday. The carjacking victim was carrying a gun and fired at the men, shooting and killing one. Police said the shooter had a license to carry the firearm. The two other men are in police custody.