A variety of checks can be performed including resume verification, criminal background, DMV, credit report checks, and drug screening if required. Drug testing is generally required by companies in the transportation industry, however many employers are now requiring a drug and alcohol free environment. The most accurate results are found when searching local county records, which implies you need to have prior address information which can be obtained by running a credit report or a social security trace. Inquest partners with a firm that specializes in International background investigations.”]
Source: https://www.cuinfosecurity.com/background-investigations-are-all-created-equal-a-353