In Northern, VA it is not the case that only troubled girls or girls in foster care are being lured into the sex trade. It is happening to girls just like Alexis. The girls are targeted, groomed, enticed with money, clothes, fairly nice hotels, after-parties, djs/club scenes, drugs and alcohol. Often, other females are used to lure the girls into this lifestyle and then into escorting. Then when the girls see what is really happening and they try to stop, get away, etc. they are threatened. They are told they owe the guy a lot of money. The men who control their daily comings and goings also threaten the girl's family members.
If you want to believe that this isn't happening, just research what is going on in the suburbs of Washington, DC.
And, we can't forget that pimps act like boyfriends. Alexis had her twitter and 11,000 followers. In the one video, she even said, "maybe I should just be a stripper." 11,000+ people saw her posts. Any one of them may have used money, drugs, alcohol, expensive gifts/clothes, access to exclusive private parties and clubs, etc. to entice her and to groom her. She may have already been sending more explicit pics and videos privately through her DMs. She may have even been accepting favors for doing so. We cannot rule that out. She obviously had two very different personas. Her online presence representing a wild girl and her day to day persona, the shy girl, as seen and described by her friends and family.