catch (one) with (one's) fingers in the cookie jar(redirected from caught them with their fingers in the cookie jar)
catch (one) with (one's) fingers in the cookie jar
To catch one in the act or attempt of some wrongdoing, especially involving bribery or the illicit exploitation of one's position of power or authority. Likened to a child literally being caught trying to steal cookies. The senator has long been accused of insider trading, but it seems like this time the authorities have finally caught him with is fingers in the cookie jar.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.