Most Shocking

A man soaks his ex-girlfriend with gasoline and threatens to light her on fire.

A taxi driver with a short temper might trigger shooting.

Burglars raiding a home do not notice the homeowner's Web cam.

Striking teachers pelt police with rocks.

A fugitive being chased by police runs out of gas and tries to push his truck to freedom.

A man is punished for hitting his sister-in-law with a machete.

A knife-wielding woman threatens to kill her hostage, drawing a SWAT team into a volatile standoff.

A school bus driver fails a sobriety test while on the job; a brawl involving several women.

Police try to keep the peace as anarchists clash with members of the Ku Klux Klan.

Friends stage a drunken demolition derby, forcing police to crash the party.

A feud between neighbors turns into a fight for survival.

A crazed cat lover stopped by authorities leads animal control personnel to a grisly discovery.

The best moments from the fast-paced clip show, exposing some outrageous challenges for police.