the killer's name was scott roeder. mr. of the legion of anti-abortion protesters outside of dr. tiller's clinic in witchta. when he was pulled over and arrested after the shooting, he had the phone number of a senior staffer at the anti-abortion group operation rescue in his car. he had visited in prison dozens of times another anti-abortion extremist named shelley shannon, a woman who inç 1993 had shot . tiller in both arms. scott roeder was convicted in january of this year and in april he was sentenced to life in prison. there was never really any question that he committed the crime. but late on friday night, there was a shock of a new development in this story. "the rachel maddow show" staff e-mail tree lit up in the middle of our show friday night as we learned, behind the scenes, about news coming down from kansas. news coming down from kansas that a federal grand jury was investigating whether, in fact, scott roeder acted alone or whether this assassination was not the action of just one kook, but rather the manife