Final answer:
The exact number of hours after leaving home that teens are at risk to traffickers is not stated, but the context emphasizes the vulnerability of unsupervised or homeless youth to human trafficking and related dangers.
Step-by-step explanation:
The question addresses a serious social issue related to human trafficking and the vulnerability of teens on the street. While the exact number of hours after leaving home that teens are at risk to traffickers is not provided in the information, it highlights the dangers that exist for minors who may lack supervision or stable homes.
Illegal migrants are also mentioned as being at risk, further complicating the issue. Sex trafficking, juvenile delinquency, and the absence of childcare facilities are all contributing factors to the increased risk faced by these young individuals.