it could have been through the black market or the so-called private sale loophole. private sellers don't have to do background checks. our partners have this report on how easy it can be to buy a firearm no matter what your history is. >> my name is samantha and i go by sammy. i am 27 years old. i have bipolar type one disorder and social anxiety disorder. bipolar one has true mania which is the mania where the person can lose touch with reality. this video is going to be talking about stuff i did when i was having bipolar symptoms and delusions and hallucinations. i thought i was safer if i had a gun in my house.