NORTHAMPTON, N.Y. (AP) — Police say a two-day search of an Adirondack property failed to turn up any clues in the disappearance of an upstate New York teenager more than 30 years ago.

State police investigators spent Tuesday and Wednesday excavating a field in the Fulton County town of Hampton in an effort to find evidence relating to Tammie McCormick, who was 13 when she disappeared in 1986.

Police in Saratoga Springs say she never showed up at school on the day she disappeared.

Authorities later determined a state corrections officer was a person of interest in the case, but he died of a heart attack in 2001. The property that police searched this week belonged to a relative of the guard's.

Police say the latest search was prompted by information received over the past few months.