Blue Bloods 12x19 - Tangled Up in Blue

When Erin is stalked by a man who was recently released fromprison after serving 12 years, she enlists Anthony and Dannyto investigate her office's role in his sentencing. Also,Jamie works to save his badge when he is caught driving underthe influence after he is unknowingly given drugs at a party,and Frank navigates multiple family issues as he deals with atroubling medical diagnosis for Henry, as well as Jamie's DUI.