The taxpayer advocate, Nina Olsen, runs an independent office within the IRS. She got access to the data as part of an effort to learn more about why some taxpayers are more likely to cheat than others.

WSJ: AP Exclusive: Likely tax cheats flock South, West

People are more likely to lie or cheat if others are lying or cheating, or if a member of another social group (such as a student wearing a sweatshirt from a rival university) visibly flouts the rules.

ECONOMIST: Schumpeter

In June, USADA accused Mr. Armstrong and others of conspiring to cheat by using performance-enhancing drugs.

WSJ: Lance Armstrong Suit Against USADA Is Dismissed

Al-Issa was convicted of two counts of conspiracy to cheat the public revenue and the others of one count of that offence each at Southwark Crown Court.

BBC: Film fraudsters convicted over tax scam

The European monetary system has allowed some countries to get a free ride at the expense of others, while those who cheat are in a position to blackmail those who have to foot the bill.

CENTERFORSECURITYPOLICY: Center For Security Policy

Players use walkthroughs, cheat codes, social engineering techniques (basically being crafty and tricking others), hacks and other unauthorized software.

FORBES: Magazine Article

Cheat codes can be hidden in a game for players to find and then share with others.

FORBES: Magazine Article

Citizens should not be able to cheat their neighbors by not buying insurance, particularly when they can afford it, and expect others to pay for their care when they need it.

FORBES: Newt Gingrich - Long Time Supporter Of Health Insurance Mandates

The Americans object to a draft plan to strengthen the treaty by giving foreign inspectors the right to check others' installations, believing it puts American companies at a disadvantage while still allowing miscreants to cheat.

ECONOMIST: Indonesia's new leader