Isaac Hayes' name is misspelled in the credits as "Issac Hayes".
At the start of the show, Crockett is talking to Tubbs while on stakeout and you hear Crockett's voice while Crockett's mouth is not moving.
In the church scene it it clear it a voice over. The lip movements are not in sync with the audio.
When they check the lot numbers of the High Powers, they say that they are part of a military shipment. No military is going to order stainless steel weapons. Too shiny.
In the interview with lawyers and police brass. The two star Chief says "he was armed with a loaded, fully automatic" as a police officer he would it was a semiautomatic pistol.