david gunn before he was murdered. it showed his photo, the make and model and license plate number of his car. it showed the addresses of each of his offices. there was a wanted poster targeting dr. john britain before he was murdered. the photo even shows him wearing a bullet proof vest. it lists information about his car and includes his home address. here's a wanted poster of dr. george tiller we believe circulated in the early '90s. it compares him to adolph hitler. it shows his photo, the city where his lives and exact office address. an anti-abortion activist walked up to dr. george tiller at the parking lot of the address on that poster, and she shot him. >> for the second time this year an abortion doctor has been shot apparently by an anti-abortion activist. this time the doctor survived the attack. >> dr. tiller was taken to the hospital and treated. he returned to his clinic to work the next day. >> you know, i'm just telling my patients, you know, last night i got shot and i was scared, but there was someb