something that was legal, it felt like we were doing something wrong. >> there were over 2500 arrests during the siege. >> it was a wonderful event. just a lot of people letting the world know the abortion industry was put on notice that we were going to defend the unborn baby, you know, until the law is changed. >> reporter: the volatile events of the summer of 1991 don't change any of the laws on abortion in the state of kansas. and they don't force george tiller to close his clinic doors and leave wichita. his roots in the city are deep. going back more than a century. while dr. tiller always aimed to practice medicine, he had never intended to specialize in abortion. >> dr. tiller's father, jack tiller, was a family physician