Cities can defend against human trafficking — they just need to know what to look for 

Crystal was newly 21. Her life was about to change forever.

Her situation was unremarkable — what you might expect in America’s heartland. Awkward, insecure and lonely, she met a man online who said she was beautiful and smart. He was attentive, messaging her frequently and filling her need for companionship. Crystal was smitten. Her trust in this man was growing.

Without realizing it, she was being manipulated and groomed. 

This man encouraged Crystal to travel to Chicago...