General Discussion

coming inside, closing in to look at the camera, then returning outside where he picks a bunch of flowers and returns to the camera and holds them up (suggests a taunt). Gives a fairly good look at his build and slow walking gait.

Doesn't appear to be athletic -- a bit of middle-age spread, soft, somewhat wide buttocks. His shoe size might be tagged by comparing it to the floor tile size in what appears to be the home's foyer/front door. He has a stuffed backpack that's made of a shiny material. May have a mustache around the mask's mouth opening, but that could be just a shadow.

Possible someone might recognize the backpack or the person's body language.