Man Charged In NH Cold Case Stabbing On Investigators' Radar For Years

CONCORD, N.H. (AP) — A convicted killer charged last week with stabbing to death a Plymouth State College associate registrar in 1991 had been considered a possible suspect in her killing for nearly two decades.

Massachusetts inmate Craig Conkey was charged Tuesday with killing 30-year-old Theresa "Tess" Reed in her Plymouth apartment in September 1991.

The 46-year-old Conkey is serving life sentences for killing two women in Lexington, Mass., in 1992 and 1994.

Lexington detectives who charged Conkey with the 1994 murder of 49-year-old Mary Lou Sale came to Plymouth the following May to talk with detectives about similarities in the Reed and Sale cases.

Conkey's Massachusetts lawyer told The Associated Press that Conkey contacted New Hampshire authorities last year to discuss his involvement in an old homicide case.

Copyright 2013 The Associated Press.