You sound young but if a company does a back ground check, a credit report check, a DMV check and a hair drug test going back 90 days, theres not much more they can easily check to see what kind of person You are.

I'll try pointing you to a place to ask but I'm not sure if it's allowed here or not. I'm sure the mods will delete this link if it's not allowed.

Blood, Hair & Saliva Testing