Tunnel dwellers who live in storm drains do plenty of scamming on the strip of Vegas.

Creative thieves take what they can from unsuspecting tourists.

The exotic scenery of Istanbul gives a perfect environment for scammers to target vulnerable tourists.

Scams involve pick pocketing, clip joints, vice girls and taxi scams. Most prevalent is the counterfeit money scam.

During Carnival time Rio's scammers come out to party (on tourists).

Woodman meets medical 'doctors' who are very happy to treat his 'Delhi belly'.

Scammers may disguise as beautiful girls, harmless hawkers and friendly taxi drivers.

Woodman uncovers an underworld feeding off the booming tourist scene.

Woodman uncovers a gem scam that involves a chain of scammers.

Marrakech can be maze-like without a guide, however are the guides as genuine as they seem?