Jackson , a city of about 175,000 residents , is the capital of Mississippi . NEW : Two killed are Detective Eric Smith and murder suspect Jeremy Powell , police say . He was interviewing a murder suspect inside police headquarters . The shooting happened at about 12:30 p.m. in the parking lot of an apartment complex on West 117th Street near Lenox Avenue in Harlem. Mississippi Bureau of Investigation is leading the probe into what happened .
NEW : Two killed are Detective Eric Smith and murder suspect Jeremy Powell , police say . He was interviewing a murder suspect inside police headquarters . The shooting happened at about 12:30 p.m. in the parking lot of an apartment complex on West 117th Street near Lenox Avenue in Harlem. Mississippi Bureau of Investigation is leading the probe into what happened .