Bundy knew he could get these girls by appealing to their kindness. This became his preferred trap. After Joni Lenz college women started disappearing from different colleges all over Washington. The only thing in common with all these disappearing was that witnesses recall seeing a man in either a leg or an arm cast asking women for help. From March 1974 to June 1974 Bundy had killed an estimated 20 women. It is only estimation because no traces of some of the women that went disappearing were never found, and Bundy couldn’t recall all the women he had killed when he was finally captured.