Authorities said Dusan Klein, 59, committed suicide.
Klein and his wife, Renata, went missing June 11. The body of Renata Klein, 59, was found in Angeles National Forest four days later.
The couple's abandoned jeep was discovered Wednesday behind a bar in North Las Vegas with the keys still inside.
Dusan Klein's body was found by hikers Thursday night. Authorities used dental records to identify his remains.
Investigators said the couple's Santa Clarita house had been in foreclosure.