In a scene near the end of the episode, the rear view mirror is missing in the close-up shots but visible in the long shots.
The defendant should have been charged with witness tampering for her efforts to get Floyd, Barney and Opie to not testify against her.
Barney claims that Elizabeth Crowley was speeding at 70 mph in a 45 mph zone, yet he had no way of measuring the speed of her car as she was driving down the road.