First responders and medical personnel were on the scene.

According to KRON4, South San Francisco detectives went undercover after responding to an online posting that depicted the victim and advertised commercial sex services. Investigators say that ad led them to a hotel on the 1300 block of Veterans Boulevard, where they found the minor and arrested Mejia.

An armed thief posing as a delivery worker invaded a San Francisco home, tied up the homeowner, and stole the victim’s cellphone, laptop, and $11 million worth of cryptocurrency over the weekend, according to a report.