Diego Alonzo Perez was 17 when he was last seen in Lock Haven, Pennsylvania, on November 21, 2018. He was in the 500 block of Woods Avenue that day; he has black hair and brown eyes and was born in Guatemala. The case is classified as endangered missing and is being handled by the Pennsylvania State Police.

An age-progressed photo showing what Diego might look like at 20 was later circulated as investigators and family sought fresh leads. Few concrete details about his movements or contacts around the time of his disappearance have been released, and no significant leads have been made public.

If anyone knew Diego, saw him in Lock Haven around November 21, 2018, or has information about his whereabouts since then, please come forward.