IcaughtU.com -- I Caught U
IcaughtU.com
As of September 9/14/2015, no live official trademarks were found on USPTO.gov for the exact term
Catching people at their worst can be great fun, as long as the "worst" doesn't include an Ashley Madison hack, especially if the butt of the joke is a politician up for re-election.
This would make a great humor site, similar to that of Candid Camera.