Continuity mistake: Carrie is getting coffee and apologizes to the female social worker for being rude to her earlier. She holds the coffee in her left hand and has a folder in her right hand. In the next shot, the folder is in her left hand.
Early in the show, Poppy Montgomery's character gets into bed with no bra. Yet in her flashback of that night, after rushing from her bed in the middle of the night to the murder victim, a black bra strap is visible.