The "doctor" administers electroshock to the security guard patient's stomach, not his chest.
When the airport security car is n fire, it is upside down. When the closeup of the explosion is shown, it is upright.
In the ending car chase, the headlights on Hooker's blue car start with both lights working. As the chase progress the passenger side light is out, then back on, then out, then on, then finally out when the car comes to a stop.
Hooker is back on duty the day following killing a suspect. In reality, officers using their weapons and killing someone, the officer is placed on leave.
The airport security car crash is entirely implausible even for a TV cop show. When a car rear-ends another one, it does not become airborne, and it does not catch fire instantly.
When the car tries to run down Steven, it never hits him. Stacy is seen throwing him onto the trunk of the police car by the right arm. Yet in the following scene at the hospital, Stay says he has a light concussion and multiple fractures of his right arm. Even if the car had hit him, it would have hit his left arm, as that was the arm next to the street.
Corrigan has a description of the van as well as a direction of travel and is just a few seconds behind it, but does not pursue it.