From internal reports sent by the FBI’s Office of Professional Responsibility, intended to “aid employees in steering clear of ethical pitfalls.” A selection of reports from the past three years was released by CNN in January.

An employee misused his credentials to gain entry into a nightclub; provided law-enforcement-sensitive information to his girlfriend, who was a news reporter; and, following their breakup, threatened his girlfriend with the release of a sex tape the two had made.

An employee failed to properly identify and secure materials on a thumb drive related to a child-pornography investigation. As a result, the material was…