State police at Lehighton are asking the public's help to locate Douglas C. Rappa, 26, of Gilbert, Monroe County.
Police report Rappa left his residence in the 3600 block of Ashley Court sometime after 5:30 p.m. Sunday.
He is described as a white male weighing about 180 pounds and just over six feet tall. He has a muscular build, reddish brown hair and brown eyes.
Police said Rappa may try to harm himself.
Anyone with information about his location should call state police at 610-377-4270.