Plot hole: Marshall isn't present in the flashback where Chow steals the gold from the black van. How did Marshall know that it was Chow who stole the gold?
The Hangover Part III (2013)
1 plot hole
Directed by: Todd Phillips
Starring: Bradley Cooper, Zach Galifianakis, Ed Helms, Justin Bartha
Genres: Comedy
Continuity mistake: After his karaoke Chow puts his knife on the right side of Stu's neck, but for the rest of the movie we see the wound on the left side of it. (00:34:05 - 00:38:25)
Alan: We can't be friends anymore. When we get together, bad things happen and people get hurt.
Mr. Chow: Yeah, but that's the point! It's funny!
More questions & answers from The Hangover Part III
Answer: Not necessarily. Keep in mind, before that, Chow didn't have any prior relations to Marshall, but after they showed up, he did, when he kidnapped B. Doug, who works for Marshall. It would make sense that Marshall would then be angry at Chow, and prompt the latter to steal his gold.