Prosecutors seeking a death penalty case against 17-year-old sniper suspect John Lee Malvo said fingerprints on the murder weapon and other evidence linked him to three of the killings and a fourth attack that critically wounded a man.

A prosecutor says the only fingerprints found on the rifle used in the Washington sniper attacks belonged to teenage suspect John Lee Malvo.

Two men have been charged in the rash of recent sniper shootings in the US as authorities on the West Coast said they were also suspects in the killing of a woman last winter and a shooting at a synagogue.