Factual errors: About 1/2 way through the episode, Calleigh discovers the rounds used earlier were made in 1969, from a former Soviet Bloc country, and used black powder. She claims that it is illegal to sell old ammunition from those countries. In truth, no modern firearm ammunition (post 1900) would ever have been made with black powder, because it will not cycle modern semi-automatic guns reliably, as well as being so dirty that it would foul up any semi-auto very quickly, rendering it useless. Also, it is quite legal to import old (or new) ammunition from former Soviet Bloc countries, and can be purchased currently in many places.
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