TEXT: [EXT. LAS VEGAS DESERT (STOCK) - DAY] [EXT. HIGHWAY (STOCK) - DAY] [EXT. ROADWAY (STOCK) - DAY] [EXT. ROADWAY - DAY] (A bus travels along the roadway. A car with a young couple in it follows closely behind. The car horn beeps impatiently. The bus continues to travel at its current speed which is apparently way too slow for the car behind it.) (The driver of the car behind the bus continues to beep his car horn.) Man (driver): (shouts) Come on! (The man in the car behind the bus continues to beep his car horn in frustration.) Woman (passenger): Honey, just pass him. (He pulls the car a little toward the center line to see if there's room enough to pass.) Man (driver): (shouts) Move it! Woman (passenger): Calm down and just pass him. (The man takes her advice and speeds up to overtake the bus but an oncoming SUV stops him. He pulls back into his lane behind the bus to avoid an accident.) (The bus hits a bump in the road and a human appendage from under the bus flies out and hits the car in the windshield leaving a trail of goo on the glass.) (The MAN and the WOMAN in the car scream.) (He hits the brakes and pulls the car over to the side of the road.) [EXT. ROADWAY - DAY - LATER] (BRASS looks at the mess on the car's windshield.) Catherine: (o.s.) Hey, Jim! (BRASS turns around to see CATHERINE and NICK walk toward him.) Catherine: We got a call. A possible 4-19. Is there a dead body or not? Brass: That arm crash-landed on the windshield of the car. According to the driver, it shot out from under the bus. Generally speaking, where there's an arm, there's a
SUMMARY:
A mutilated female body is discovered tied to the undercarriage of a bus carrying prisoners from a women's correctional facility after a severed arm flies out from beneath the vehicle and strikes a car. Catherine leads the investigation and at first believes the woman was escaping, but the evidence increasingly points to murder. Back in town, Warrick probes the death of a gambler who was stabbed multiple times in his brother's kitchen.