One Step Beyond (TV-1961) PERSON UNKNOWN S3E20

Mind-bending series hosted by John Newland, your guide to the unknown! Based on true, supernatural events that defy scientific explanation, this show appeals to fans of The Twilight Zone and The Outer Limits.
PERSONS UNKNOWN: Dr. Atl is exonerated from a murder charge during the Mexican Revolution by a death mask revealing a monster's grip.