Adam Patterson was 30 when he was last seen in Portland, Maine, on November 10, 2015. He is described as a white male, brown hair, hazel eyes, about 6 feet tall and 180 pounds. His family says it was out of character for him to lose contact without warning.

Investigators opened a missing persons inquiry and sought to reconstruct his last known movements, but the circumstances of that day remain unclear.

If anyone saw Adam on or after November 10, 2015, or has information about his activities or whereabouts in Portland around that time, please come forward.