The Onion Field
When Karl Hettinger is talking into the patrol car microphone, the microphone is turned around and he is actually talking into the back of it.
In the beginning of the film (which takes place in 1963), as the camera pans down the street, past houses, a 1965 Chevy Impala is seen parked in one of the driveways.
When Jimmy is seen watching television at Greg's house he is watching "General Hospital". This scene takes place in early March 1963 while "General Hospital" debuted April 1, 1963.
Just before Powell's arrest on March 9, 1963, he is shown driving on a road marked with "Botts Dots". The lane markers were not used statewide until September 1966.
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