boney.ickname was "backbone": the same name inked in on the sweatshirt's collar. >> who does this guy "boney" turn out to be? >> as brainy as ted bundy and as brawny as mike tyson. he's a sociopath. >> reporter: charles boney -- a criminal with a history of violent crimes against women. it began in the 1980s when he was a student at indiana university. newspapers called him the shoe bandit, and followed his bizarre crimes. there'd been four separate incidents -- his early m.o.? he'd knock a woman to the ground and make off with one of her shoes. >> really creepy stuff like one crime, he wore one of those china doll masks. i mean, like creepy stuff you can't make up. >> reporter: the police were onto him. after one arrest, he admitted in effect, that he had a thing for ladies' legs and feet. he pleaded guilty to those crimes, and in time, his attacks became more violent. he began threatening women at gunpoint. one incident involved three coeds. >> he had been watching them and one night, just

we then meet with a syrian human rights lawyer and more are boney. he estimates that around a 1000 syrian war criminals are now hiding in europe is taking us to see someone who was tortured in syrian detention but survived. we're going to see a witness who gave a statement on a very specific case. and it's partly because of his statement that 2 suspects are now in custody here in germany. i was the witness was a victim of these 2 men will. he tell the german federal prosecutor how they tortured him. manuel almunia is highly respected within large parts of the syrian community in europe. many syrians trust him because he spent decades as a lawyer representing political dissidents in syria. he also spent 5 years in a syrian prison. with him in the background victims are more emboldened to talk with. the 2 men greet each other warmly. the 1st time i was arrested it was at the start of the demonstrations in 2011 by then i wanted to take photos of one of the demonstrations and there were others needs to be filming in taking photos too. but suddenly just a