The hospital goes into lockdown when a nurse is shot; a bride arrives at the hospital in a poor mental state; a doctor tries to save a teen's life.

A football player suffers a stroke; a doctor remembers his first major trauma during residency; a patient with abdominal pain is a mystery to doctors.

A doctor has an allergic reaction to a bee as he works on a patient; a man arrives with a slit throat; a paramedic succumbs to a mysterious illness.

In 2016, three young terrorists got arrested after attempting to finalize their plans to activate explosives on New York City's subway and in Times Square.

Spies around the world use secret codes and patterns embedded in clandestine collection and can obtain sensitive information with no one the wiser.

A Springfield, Miss. officer handcuffs a driver who reacted violently to getting pulled over for his defective lights and failed turning signals; a hit-and-run.

A call from a man who claims to have shot an intruder to death; a driver carrying marijuana; a female biker and recovering addict runs a stop sign.

The sergeant of the Houston Police Department stops a vehicle reported to be in a drug run; a Texas deputy responds to a disturbance call at a local residence.

A driver caught rolling through a stop sign admits to no longer having a valid license; a vehicle seen during a drug purchase; street corner drug runs.

A drunken man attempts to flee from police only to be run over by his own car; a sword-wielding drunk protests his grievances on a rooftop.

A Batman impressionist punches Chewbacca; a woman with a broken arm struggles with the police; a man learns that its easier just to pay the fine.

Cameras take viewers inside prisons from all across the country to document the harsh realities prisoners living behind bars must face.

Cameras take viewers inside prisons from all across the country to document the harsh realities prisoners living behind bars must face.

Cameras take viewers inside prisons from all across the country to document the harsh realities prisoners living behind bars must face.

A Springfield, Miss. officer handcuffs a driver who reacted violently to getting pulled over for his defective lights and failed turning signals; a hit-and-run.

A call from a man who claims to have shot an intruder to death; a driver carrying marijuana; a female biker and recovering addict runs a stop sign.

The sergeant of the Houston Police Department stops a vehicle reported to be in a drug run; a Texas deputy responds to a disturbance call at a local residence.

A driver caught rolling through a stop sign admits to no longer having a valid license; a vehicle seen during a drug purchase; street corner drug runs.

The initial reaction of suspects being thrown in the slammer is documented on location in Tulsa, Okla.; Portland, Ore.; and Austin, Texas.

Viewers get a first hand look at the booking process and time suspects spend behind bars; on location in Las Vegas; Tulsa, Oklahoma and Hillsboro, Oregon.

Jail time moments are captured in Las Vegas, Nevada; Tulsa, Oklahoma and Austin, Texas.

Cameras capture criminal suspects' first moments behind bars in Tulsa, Okla.; Portland, Ore. and Las Vegas.

Cameras walk the hallways of jails in Austin, Texas; Santa Ana, Calif. and Las Vegas.

The "Jail" cameras visit cells, and the lawbreakers within Austin, Texas and Las Vegas.