In Florida, a domestic dispute turns into a hostage situation with children's lives at stake; in Virginia, a vehicular accident turns into a multiple murder with armed killers on the run; in South Carolina, a disturbance at a liquor store leaves an officer fighting for his life.

In Georgia, two police officers respond to a domestic disturbance that ends in tragedy; in New York, a house fire turns into a murder investigation; in Oklahoma, the search for a known sex offender builds to a shocking conclusion.

In Ohio, a police officer tracks down an armed carjacker and comes under heavy fire; in Washington, a stabbing in broad daylight forces the police to take decisive action; in Georgia, a routine traffic stop results in an officer being shot and fighting for his life.

In Ohio, a breakup turns deadly; in Texas, a traffic stop puts a child's life at risk; in Oregon, a killer on the run leaves a state trooper fighting for his life.

In Albuquerque NM, a man with an AK-47 steals a police car and fires at police during a 16-mile citywide chase; in Iowa, a home invasion call escalates into something far more terrifying.

In Iowa, a dangerous felon steals a truck and rams everything in his path; in Iowa, on a freezing winter night, a lone officer is attacked by a crazed half naked man; in California, at a county jail, a gunman fires at unarmed officers, leaving one fighting for his life.

In Arizona, a detective leads his heavily armed team on a search warrant but ends up in the firing line himself; in Kentucky, a routine traffic stop turns violent as the suspect makes a risky getaway; in New York, a knife-wielding man draws police into a dangerous foot chase.

In Georgia, police hunt for two suspects who are responsible for a string of armed robberies; in Texas, an undercover cop foils a murder-for-hire plot; in Oklahoma, a known felon tries to force an officer off the road, stopping at nothing to escape arrest.

In Colorado, on New Year's Eve, a domestic dispute ends in tragedy when two deputies are trapped with a gun-wielding suspect; in Iowa, a high-speed pursuit escalates to a gruesome conclusion.

Officers confront a knife-wielding suspect. In Florida, a man who flees into the woods is outsmarted by a K9 Officer. In Indiana, a gunman wages war on police, caught on surveillance cameras, until SWAT closes in.

Police pursue a father & son. An officer joins the chase and his life changes when he comes face to face with the armed suspects. In Ohio, a man threatens himself and his family. An officer negotiates over a video call, leading to a stand-off.

In Ohio a man shoots his ex. She flees and violence erupts when an officer finds him. In Utah police are called to a house where a mother and children have escaped a suspect armed with a machete. In California a therapist is attacked by a former patient.

In New York, a domestic disturbance takes a violent turn which changes a police chief's life; in Florida, an officer is separated from his K-9 while chasing two suspects; in Indiana, an officer stares down the barrel of a suspect's gun.

In Texas, police set a trap for a would-be killer; a high-speed chase leads police into a Florida swamp, where a police dog locates the suspect who now needs to be rescued.

Arkansas police stop a knifeman enraged over a midnight pot roast; in Delray Beach, Fla., officers must rescue two children teetering on a ledge with their mother who is high on drugs; in Utah, a trespasser attacks an officer with his own baton.

Arkansas officers are pinned down by a deadly gunman for four hours; after a high-speed chase of a stolen pick-up, Oklahoma City officers fear an ambush when a suspect bails; a naked driver waving a gun leads Wisconsin police to a dangerous standoff.

An Arizona mother triggers a desperate search for her son, who is armed and suicidal; an Ohio officer fights for his life when a suspect overpowers him; a Wisconsin man shoots his co-workers and police must find him to stop the threat.

In California police face off against a knife-wielding bodybuilder; a wanted criminal draws an officer into a brawl in a sex shop, and a fleeing suspect drives a car directly at officers to escape.

A suspected drug dealer in Georgia won't go down without a fight; police in Ohio fear for their lives when faced with an ambush from a hidden gunman; after a high-speed chase, a fleeing driver has one more surprise for Macomb County Deputies.

Police are ambushed as they try to rescue a gravely injured pregnant woman.

All police units desperately try and catch the suspects who snatched a baby from the hands of its mother and return the child; officer makes a routine traffic stop and ends up fighting for his life when he suffers a severe reaction.

A deputy races to a house fire intent on saving the woman trapped inside.

In Florida, after a high-speed chase, a sheriff's K9 is let loose on its first pursuit; deputies in an Arkansas jail face a battle when inmates turn violent; in Georgia, officers head into the woods to hunt down a violent felon.

A tense scene unfolds as a terrified woman barricades her family at home.

A new cop's career may be over before it begins when a stop turns deadly.