Continuity mistake: 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.
Continuity mistake: Det. Mike is telling Carrie and Al about the victim's phone record as they cross the street. Watch Carrie's green scarf. Its ends are either tucked into her leather jacket or hanging in front of her.