Autopsy shows that William Spengler took his own life with a gunshot to the head . He killed two firefighters as they arrived to put out a large inferno in upstate New York . Authorities say they do n't know how Spengler , 62 , acquired the weapon or what he used .
Autopsy shows that William Spengler took his own life with a gunshot to the head . He killed two firefighters as they arrived to put out a raging inferno in upstate New York . Authorities say they do n't know how Spengler , 62 , obtained the weapon or weapons he used .