A New Look at an Old Clue Helps Investigators Arrest the Man Accused of Gilgo Beach Murders

Police officers stand guard near the house where a suspect has been taken into custody on New York's Long Island in connection with the Gilgo Beach murders, in Massapequa Park, N.Y., on July 14, 2023, Eduardo Munoz Alvarez/AP

MASSAPEQUA PARK, N.Y.—The first find was startling: a woman’s skeletal remains cast into the dunes along a remote Long Island highway.

Then came the shock.