Special ops veteran Kevin Tillman retrained as a computer forensic expert and now fights child exploitation for ICE Homeland Security Investigations in New York. (Samira Bouaou/The Epoch Times) NEW YORK?"Kevin Tillman doesn't consider himself a hero. But to many young girls and boys, he is their champion, an unsung hero in a dark world. His work takes pedophiles and child pornographers off the streets. And he helps save kids from nightmare scenarios.