The remains of 10 murder victims found on New York’s Long Island are the work of a serial killer, police believe.

AN Irishman is leading the investigation into a suspected serial killer following the discovery of eight bodies buried on a Long Island beach in the north-eastern state of New York.

The number of victims of a suspected serial killer on New York's Long Island has doubled in the past week after the discovery of three more corpses along a remote beach highway.