Sam was last seen on Saturday 14 November in the Salford area but did not return home. More recent sightings have also been reported in the Huyton and Kirkby areas of Knowsley.
Sam is described as white, 6ft 2in tall, slim, with cropped blonde hair, a pale complexion, blue eyes, and speaks with a southern accent. When last seen, he was wearing black trousers, and grey jacket and grey jumper. He also has links to Chester and Bournemouth.
Any info, please contact us @MerPolCC on Twitter, ‘Merseyside Police Contact Centre’ on Facebook, call 101 or pass information via the charity Missing People on 116 000.