Implied sex, breasts (usually profile), buttocks, full nudity with careful coverage of privates

Gunshot/knife wounds etc., briefly, gunplay and other violence. Other brief gore, vivisection, beheaded victim

This was the first network series in the United States that used words like "Shit" in dialogue. One of the first lines of dialogue in the whole show is "pissy little bitch", which set the tone for the series.

Drinking, smoking, implied drug usage

Some of the cases can be sad/depressing/disturbing typical cop show.

Violence, victim's wounds