As Harry drives up to her home in the desert, Letty shoots at his car, putting a bullet hole in his windshield. BUT the bullet comes head on from the front, even though Letty is shooting from Harry's immediate left. Only in Hollywood can a bullet make a 90 degree turn.
Much mention is made that everyone at the house will die of thirst and heat before the delivery truck comes back, but when it does no one has died or even looks the worse for their experience.
Boom mic shadow seen running along the left wall above the arched door when the old lady crosses the red-carpeted room to go to the bar to talk to Harry O, where the drunken Katherine Justice's character is also leaning.