Tyra Hearns, President of Pebi Services (www.PebiServices.com) the nation's fastest growing Background Investigation firm, uses her years as a Law Enforcement Officer and Background Investigator to discuss the challenges, and changes of Background Investigations. Pebi Services has completed investigations in the fields of airline personell, fire fighting, law enforcement, trade, education, and other occupations. Recognized as an expert in her field, Tyra Hearns of PebiServices.com gets reults.