Continuity mistake: There's a clear mix-up in editing during the car chase. Marta checks her phone twice for Blanc's calls as she tries to get away from the police. The first time the phone signals 9:36 AM, the second time 9:34 AM. (01:31:50)
Knives Out (2019)
Trailers
Directed by: Rian Johnson
Starring: Toni Collette, Chris Evans, Daniel Craig, Ana de Armas
More trailers
More mistakes in Knives Out
Benoit Blanc: I suspect foul play. I have eliminated no suspects.
Trivia: Michael Shannon has played Jaeden Martell's father twice on screen, in this movie and Midnight Special.
More questions & answers from Knives Out
Join the mailing list
Separate from membership, this is to get updates about mistakes in recent releases. Addresses are not passed on to any third party, and are used solely for direct communication from this site. You can unsubscribe at any time.
Check out the mistake & trivia books, on Kindle and in paperback.
Answer: She didn't drain either of the vials so unless he actually measured how much of each liquid there was to start with, he was unlikely to notice that the amounts weren't quite what would have expected. He knew enough to know that the switch could lead to a death, but he's not anal enough to note every tiny aspect of the situation to verify that nothing's gone wrong.
Garlonuss