When Buckley is called to a crime scene in the middle of the night, the alarm clock on her night stand switches from 3:57 to 4:09 to 3:58.
When the second murder victim is identified, the "dead" woman is breathing as the policeman and homicide detective surround the body.
When Sam is exiting the helicopter, the sound of the rotor has it winding down, but when it comes into frame it is completely still.