After the lecture, Suzette tells Pete she is afraid to go home alone in the dark so Pete volunteers to drive her. The next shot shows them driving, but it is clearly a bright sunny day. In the next shot they have stopped the car, and it is completely dark outside.
About 32:30 into the movie, Pete and Suzette are shown driving to a stop. It's broad daylight. When they do a close-up right after they stop, it's night. Suzette even says so.
The potted plant that sits on the police chief's desk, appears and disappears in some scenes.
Ishtar was actually an ancient Babylonian mythological goddess, not an Egyptian one, though Lewis and Friedman were aware of this.
When Fuad Ramses first victim (opening scenes), is done listening to the news report on her transistor radio, she turns it off by turning the tuning knob.
When Fuad is crushed by the truck's compact blades, a shot of his bloody hand shows that the truck is not moving.
When Fuad Ramses is in his shop with the letter from Trudy Sanders, it is obvious that the envelope was not sealed (or even closed) before he 'opens' it with the letter opener.
When the camera pans Trudy's corpse, her lower back is moving up and down as if she's breathing.
Camera shadows in some scenes.