Interesting read and podcast from The Guardian in the UK on the murdered PI Daniel Morgan, follow this link:
Introduction from the Chairman
Users of Professional Investigative Services including members of the public, legal profession, business and corporate clients, are able to select a credible Professional Investigator who is recognized as a “professional” and as such is a member of an established and approved professional association such as The World Association of Professional Investigators (WAPI).
Further Reading;
Update from Chairman December 2020
Tony Smith, Chairman