HAMILTON TOWNSHIP, N.J. - In what authorities described as a domestic dispute turned tragic, a man killed his girlfriend, her son and brother before hanging himself.

Authorities found three people shot to death in a condominium shortly after 7:30 p.m. Sunday in the Mays Landing section of Hamilton Township: Ronald Coleman, 39, of Vineland; home owner Tracy Coleman, 44; and her 15-year-old son, Reginald.

At 5:30 a.m. yesterday, police found the body of Tracy Coleman's live-in boyfriend, Sharif Whitlock, 36, hanging from a metal tower supporting high-voltage electrical lines in Winslow Township.