0 Experts say they've seen human trafficking at "every high school in Northern Va." (Fairfax, VA) Posted by Randy Crank on June 8, 2017 at 11:23am During my tenure as a detective working human trafficking we've identified a victim from at least every high school and several middle schools the Northern Virginia area,” explained Detective Woolf who has been working to combat human trafficking and gang activity in the region for years. Experts say average age of entry for a human trafficking victim in Northern Virginia is 15, however Det. Woolf has worked with victims as young as 9.