When Zuckerman is kneeling on the floor, packing to leave the FBI, the tapes a box that only has three of the for flaps closed. But when she walks to the hallway, the box has all four flaps closed.
The box that Zuckerman packs when about to quit the FBI.
Zuckerman gets out of a car, wearing court shoes, crosses the street and enters a bar, then, when she's interrogating somebody inside the bar she's wearing different shoes.
When the group is playing matchstick poker the cards change from red backs to blue backs when a new hand is dealt.
When Zuckerman gets her cuffs taken away from her and flipped to the ground, she is cuffed and there is the noise of the cuff closing on her right hand, but the cuff is not closed and can be seen moving as she moves her hands while squirming.
When Zuckerman finally learns to shoot she fires 8 or 9 shots into the target's head.............from a 6-shot revolver.
At the end of the movie, Howard Butz is assigned to the field office in Duluth, Minnesota. The FBI does not have a field office there.