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.

SWAT is on the scene to temper a life-threatening domestic stand-off.

An SUV careens into a house, causing an earthshattering explosion.

Armed bank robbers are brazenly determined to avoid prison at any cost.

A machete-wielding madman leads police on a wild car chase through town.