Specifications include, but are not limited to: Independently and jointly, with Compliance Programs Specialists performs the Commercially Useful Function Reviews of certified Disadvantaged Business Enterprise (DBE) firms that are performing work as a prime contractor or a sub-contractor on federally funded highway construction projects. Trains compliance specialist in standard investigative techniques and supplies advice and assistance when dealing with resolution of problem cases. Perform full range of investigative work on investigations of a more complicated nature where Compliance Staff question the DBE firms certification eligibility, which will require a higher degree of knowledge, training and investigative experience, as well as knowledge of the Federal Regulations governing DBE certification. Reviews and gathers evidence and takes oral, written, or tape recorded statements from witnesses. Works with DOTD staff to conduct surveillance or administer polygraph examinations.