STATEN ISLAND, N.Y. - Police are investigating after a woman was shot dead overnight on Staten Island.

Sources tell NY1 it may be a case of domestic violence. 

The suspect remains at large.

Police found the 38-year-old victim with a gunshot wound to the head inside a home on South Avenue in Mariners Harbor shortly before 1 a.m.

Authorities say her two teenage boys were home at the time of the shooting. 

Police have not yet released her name.

Anyone with information on the case should contact the Crime Stoppers hotline at 1-800-577-8477, or text CRIMES and then enter TIP577, or visit www.nypdcrimestoppers.com.