These 3 signs are the best indicators your spouse could be cheating. Any cheater will display these signs of infidelity.

Here's a real-life collusion fraud example between a dishonest store cashier and customer friend.

Can a private investigator tap your phone to get information? Learn about what can and can't be done.

Have you ever wondered what gadgets spies used in the past and during the cold war? Check out our list of declassified vintage espionage tools.

Read our frank interview with a man about his affair with a married woman; how it started, the upsets caused, lessons learned, and if it lasted.