During one of the court hearings in the movie, a picture of a naked dead woman is shown for a few seconds. Her breasts are visible.
At th start of the movie when Chris Longo's character is introduced, for a brief moment in the apartment, a girl's bare back is seen on the bed suggesting that slept together.
None. Some kisses.
A man leaves with a woman and we see her the next morning sleeping in bed with her upper body naked laying on her abdomen and her bare back visible. Sex is implied and further confirmed to have had occurred.