Malfeasance n. : The doing of an act which a person ought not to do; evil conduct; an illegal deed.

Example:
Which member of congress is guilty of gross incompetence and Malfeasance?

Taxonomy
misfeasance, duty, nonfeasance, discharge, catering company, Malfeasance in office, free encyclopedia, torts, Liability, remedies, statute, common law, drinks, rule of law, the common law, Defenses, Duty of care, Duty to rescue.

Defination from the web:
malfeasance, are used in English law with reference to the discharge of public ... company accepts a bribe from its client's competitor to undercook meat and give those present food poisoning, it's considered malfeasance. ...