James Lee DiMaggio, 40, sustained bullet wounds to his head, chest and extremities and likely died instantly, according to Valley County Coroner Nathan Hess.
A federal hostage-rescue team tracked down DiMaggio and his captive, 16- year-old daughter Hannah Anderson of
Hannah was near where DiMaggio died but was unhurt.
Authorities began looking for Hannah and DiMaggio -- whom she and Ethan had known their entire lives and referred to as ``Uncle Jim'' -- in Frank Church River of No Return Wilderness Area after horseback riders reported spotting and chatting with them there.
DiMaggio's blue 2013 Nissan Versa was found hidden under a pile of brush and logs Friday morning near a trailhead about five miles from where the riders had come across the pair two days earlier.
Hannah only learned about the murders of her family members following her rescue in the rugged
Authorities have not disclosed a suspected motive for the crimes, but family friends told reporters that DiMaggio seemed to have developed an infatuation with the teenager, a change that made her uncomfortable.