COOPERSTOWN – A former Unadilla man, and current state prisoner, was arrested on a sealed indictment Monday morning, June 27, at Attica Correctional Facility. He was charged with second-degree murder in the death of his wife, Elizabeth Welsh Callahan.

According to the Otsego County District Attorney's Office, it is alleged that Casey James Callahan, now 50, intentionally ran over his wife, Elizabeth Welsh Callahan, with a tractor trailer in a Dandy Mini Mart parking lot in Sayre, Pa., just off New York State Highway 17, at Exit 59A (Wilawana), on Jan. 19, 2000. Elizabeth Callahan, formally of Norwich, was 34 at the time of her death.

According to a release from the The Otsego County District Attorney's Office, they opened the 16-year-old death investigation back up in March of this year. The arrest was a result of an extensive cold case investigation that concluded with a grand jury presentation on June 14. Investigators worked with the New York State Department of Financial Services Criminal Investigation Unit in Oneonta, as well as the state Department of Corrections and Community Supervision Office of Special Investigations.