Alexander Neff, 42, of Holtwood, was last seen leaving his home on the 1000 block of Holtwood Road in Martic Township at 7 p.m. on Tuesday, March 11, state police announced on Monday, March 17.
Neff is described as 5 feet 7 inches tall, weighing about 170 pounds, with brown hair, blue eyes, and a scar across the top of his head. He was last seen wearing a brown Carhartt jacket, according to police.
State police noted that Neff has schizophrenia and may stare without speaking.
Anyone with information on his whereabouts is asked to call Pennsylvania State Police Lancaster Station at 717-299-7650.
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