Let it Bleed airs on CBS tonight at 9.00 pm (EST).
Catherine and Riley investigate the murder of a woman who was thrown out of a nightclub. The victim is discovered to have several different blood types in her body. It is also revealed that she is the daughter of a drug lord wanted by the FBI. The case is made even more difficult for Catherine when she finds her daughter, Lindsey, at the club with a fake ID.
Screencaps available at the weekend.