There are many advantages to hiring a private investigator, but there are a few things that a P.I. cannot, should not, and will not do. Impersonate law enforcement. It is a felony to impersonate a police officer.
Quality Control is focused on the initiation of the evaluation process, while quality assurance is focused on managing the process to ensure the stipulated business goals are realized within the set period of time.
Unlike quality management and quality improvement, which seek to improve efficiency in workers and business procedures, quality control seeks to ensure that products or services meet required levels of quality.