HOUSTON -- It's one of the worst things imaginable in any relationship, discovering your husband or wife has been unfaithful. If you're not sure, there are many things you can do find out the truth.

Dashaye seeks Tami’s help when she suspects her longtime girlfriend, Danielle, is creeping around in a new episode of "Caught ...

Suspecting a partner of cheating is a gut-wrenching feeling that leads many to seek professional help. But what exactly do private investigators do to catch a cheater? The reality may be surprising.