Today Deschutes County Search and Rescue crews are out looking for a 41 year old La Pine man. The Sheriff's Office says Clayton Lichtenhahn was last seen Monday afternoon around 4:30 and was reported missing by his wife earlier this morning; around 1:30. Sandy Lichtenhahn says her husband had left yesterday on his four wheel ATV and has not returned home. His wife says he took off without his cell phone, wallet or house keys and didn't say where he was going. He's been reported as a missing person. Deputies have been looking in several places in the southern portion of Deschutes County. Neither Lichtenhahn nor his vehicle have been located.