Police are investigating the circumstance that led to a man being killed at his apartment in Mercer County early Wednesday morning. MERCER COUNTY, N.J. - Police are investigating the circumstance that led to a man being killed at his apartment in Mercer County early Wednesday morning.The 30-year-old victim, identified as Christopher MacLeod, was reportedly found shot several times on a grassy patch near his apartment on Mid Way Lane in Ewing Township.He was unresponsive and transported to a local hospital, where he was later pronounced dead.MORE HEADLINES:Police say the man was shot after answering knocks at his door.Several shell casing were found in the common walkway between the apartment buildings.No arrests have been made..