42 CFR 457.915 - Fraud detection and investigation.
(1) Methods and criteria for identifying suspected fraud and abuse cases.
(2) Methods for investigating fraud and abuse cases that -
(i) Do not infringe on legal rights of persons involved; and
(ii) Afford due process of law.
(c)Program coordination. The State must develop and implement procedures for referring suspected fraud and abuse cases to the State program integrity unit (if such a unit is established) and to appropriate law enforcement officials. Law enforcement officials include the -
(1) U.S. Department of Health and Human Services Office of Inspector General (OIG);
(2) U.S. Attorney's Office, Department of Justice (DOJ);
(3) Federal Bureau of Investigation (FBI); and
(4) State Attorney General's office.