George Tiller to term would cause the woman "substantial and irreversible impairment of a major bodily function". His practice frequently made him the focus of anti-abortion groups. The Kansas Coalition for Life kept a daily vigil outside Tiller's facility from May 9, 2004, until May 31, 2009. The group known as Operation Rescue held an event called 'The Summer of Mercy' in July and August 1991, focusing on Tiller's clinic but also protesting other abortion providers in Wichita, Kansas. Years later, a branch that split from the main Operation Rescue group moved from California to Kansas specifically to focus on Tiller, initially
George Tiller Society’s impaired physicians committee. Tiller was discussed in 28 episodes of the Fox News talk show "The O'Reilly Factor" in the years leading up to his death, focusing national attention on his practice. Although he later denied it, show host Bill O'Reilly sometimes described him as "Tiller the Baby Killer", a nickname that Congressman Robert Dornan had used on the floor of the US House of Representatives. O'Reilly said he would not want to be Tiller, Kathleen Sebelius, and other pro-choice Kansas politicians "if there is a judgment day". On November 3, 2006, O'Reilly featured an exclusive segment on "The