On May 31 , 2009 , George Tiller , a physician from Wichita , Kansas who was nationally known for being one of the few doctors in the United States to perform Hold late-term abortions , was murdered Killing by Scott Roeder , an anti-abortion extremist .

The killings Killing are usually ascribed in part to a clash of cultures and in part to the inability of Whitman , a physician , to halt the spread Dispersal of measles among the Indians .