There is a female breast slip at 39:53 in episode 8 of season 1

Moderate for All seasons, more explicit in themes.

Shootouts and aftermath are extremely bloody.

Persistent use of strong language such as, "F*ck"

Alcohol. Drugs, Smoking frequent across all seasons.

Them is police unit, depicts all episodes. One scene a suicide.

An episode taking place during a school shooting contains graphic imagery of deceased and severely injured kids. Deeply upsetting.