Disgraced former mayor exploits the tragedy of Hurricane Katrina to pocket bribes and live large.

Jason Derek Brown looks like a wealthy mellow surfer dude, but he's allegedly a stone-cold killer who shoots a security guard five times in the head to steal $56,000 in cash. Authorities say Brown robs an armored car guard to fuel his corrupt playboy lifestyle. This serial con artist leads the FBI on a heart-pumping chase over several western states, and lands on the FBI's Most Wanted list.

When fraudster Paul Kruse propositions his assistant's teenage daughter, the angry mom gets him behind bars

"Nurse” Tracy Lynn Garner gives illegal silicone injections to enhance clients’ curves. When one patient dies, she’s charged with murder.

A wealthy timber baron is rolled by a phony psychic for $15 million while her daughter pretends to be in love with him.

Beautiful women with looks that kill are controlled by Russian gangsters to seduce amorous men in nightclubs out of their money and jewelry. It's a super expensive hangover.

In Brooklyn, a mother and son score $50 million in the Bay Medical Clinic scam that kicks back big bucks to patients; and a new studio called Gigapix collects millions from would-be movie producers but it's all a fraud.

Criminals featured on the show are apprehended by law enforcement with the help of vigilant viewers.

Doug Cassity sells fake prearranged funeral contracts, amounting to $500 million, with the help of sexy saleswomen.

A 28-year-old hacker named Daniel Rigmaiden allegedly steals millions of dollars from the U.S. government; a wise-guy wannabe in witness protection creates a mortgage fraud scam.

A famous Texas fruitcake bakery's accountant conducts a check writing scam; a self-proclaimed financial wiz rips off investors while he funds a professional race team with money stolen from his church.

U.S. law enforcement teams up with Jamaican authorities to stop criminals using call centers in Jamaica to flood the U.S. with lies about lottery millions won by unsuspecting victims.

A neighborhood ice cream parlor in West Roxbury, Mass., lands the Palladino family in a major case of fraud.

The Broadway premiere of "Rebecca" implodes thanks to New York stockbroker Mark Hotton, who allegedly swindles millions of dollars from investors.

A fraudster in California promises to build a medical glove factory in the U.S. and steals millions of dollars from investors.

A 28-year-old hacker named Daniel Rigmaiden allegedly steals millions of dollars from the U.S. government; a wise-guy wannabe in witness protection creates a mortgage fraud scam.

Darren Berg of Seattle scams several investors, procuring himself two yachts, a private jet and a lakeside mansion; New York socialite Dina Wein Reis executes a grey market selling scam.

A Michigan doctor treats cancer-free patients with poisonous chemotherapy while taking millions in payment; two Chicago-area bank robbers repel 17 stories to escape the Metropolitan Correctional Center.

A once $100 million publishing fortune creates tension between mother and son when he's accused of squandering millions on sex, diamonds, and fraud.

Federal agents seek to unmask the anonymous mastermind of the world's largest online and underground drug bazaar, despite potential corruption in their own ranks.