David does not know that Derek keeps a loaded gun in the house, nor that Derek has neglected to bring the prop gun home for rehearsal. Seeing the real gun, David assumes it is the prop.

In this Yeare (1659) Mary Akehurst, the Wife of Ralph Akehurst, of the Cliff, Neare Lewis, Beeing moved to goe to St Michals' Steeplehouse (soe called), where an Independent priest was speaking, she, for Asking him a question, was by people Haled out, and then sent for her aforesaid Husband, who after shee came home, Did so hunch and Pincht her, that she Could not Lift her armes to her head.

Apr 24, 2002, Jocko, “Domi, a foot fetisher?”, in alt.sports.hockey.nhl.tor-mapleleafs, Usenet, retrieved 2022-06-28:

[…]a scout from the Flames came down from Saskatoon, said, There's always room on our team for a goon