 Within the law enforcement community, the term is used as a euphemism for criminal corruption and racketeering within police departments.The phrase may also describe the ethical conduct of lawyers towards each other.In 1803, Thomas Percival wrote a classic essay on medical ethics that endorsed complimentary professional care to “All members of the profession, including apothecaries as well as physicians and surgeons, together with their wives and children, should be attended gratuitously.” In 1847, the American Medical Association's Code of Ethics similarly endorsed waiving charges for services to other physicians and their families, This is likely the first modern-day documentation of the philosophy.