(NewsNation) — Prosecutors said the DNA obtained from a discarded straw has led to the indictment of a Long Island man accused of sexually assaulting and killing a New York teenager four decades ago.

Richard Bilodeau, 63, pleaded not guilty Wednesday to two counts of murder in the death of a high school junior, Theresa Fusco.

Fusco, who was 16 years old, disappeared after leaving her part-time job at a Long Island roller-skating rink in November 1984. Her nude body was found weeks after the assault, buried under leaves in a wooded area near the rink.

Bilodeau's indictment comes after three men convicted of the killing served several years in prison before being exonerated by DNA evidence. Investigators found that DNA taken from Fusco's body matches a sample extracted from a straw that B

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