Abusive investigatory techniques are now increasingly used to monitor professional practices in the health fields. Typically healthy investigators with insignificant complaints go to suspected doctors to see if they are subjected to unnecessary tests, extensive referrals and a number of prescriptions.
Many instances of fraud, deceit and lying have been exposed by such deceptive investigatory practices. The principles for avoiding harm to innocent parties and of producing benefits to the public override any considerations of veracity or assault on an individual's privacy.