A man was drunk, naked, having sex, and driving with a baby in the backseat when he crashed into a tree Wednesday night, according to the Washington State Patrol. The News Tribune reports the man missed a curve while driving on Mountain Highway and left the road around 6pm. He was allegedly having sex with his female passenger at the time. Witnesses say the man and woman were naked when they clambered out of the vehicle following the crash. The man was arrested on suspicion of felony DUI, vehicular assault, and child endangerment. The woman was hospitalized with broken bones. The 3-month-old child wasn't hurt. The man has been convicted of DUI three times in the past. (More DUI stories.)