Chicago PD 3x17 - Forty-Caliber Bread Crumb

While out on a bank run for his off-duty security job at thedispensary, Halstead and his co-workers find themselves underattack by a violent robbery crew which quickly becomes afull-scale shootout. Voight and Lindsay question the owner ofthe dispensary who mentions her business has received threatsfrom local gangs upset she's cutting into their revenue.Meanwhile Roman, Burgess, Antonio, Halstead, Ruzek andAtwater follow-up on a lead and track down a potential suspect.