COEUR d'ALENE, Idaho -

Coeur d'Alene Police are searching for an 18-year old man they believe could be in danger. He may be depressed and his parents are concerned about his mental condition.

Police say William Potts did not arrive at Lake City High School Wednesday. His parents say he left at 7:40 am and no family members have had contact with him since then.

He's driving a black 1999 Monte Carlo with license plate K485651.

If you have any information about where he might be, call Coeur d'Alene Police at 208-769-2320.