Some of this is now coming back to haunt Rick Perry. He executed 199 people, more than any governor in American history. He gave consistent short shrift to clemency appeals. Many of those appealing were likely guilty, but it is now clear that one was innocent and that this fact was flagged for Perry before he ordered him put to death. Cameron Todd Willingham was executed by lethal injection in 2004 on charges that he killed his minor children. The charges arose from a fire that occurred in his home on December 23, 1991. Investigators concluded that the fire resulted from arson. However, subsequent scientific reviews have all found that the arson investigation was grossly flawed and that its conclusions reflected base prejudices rather than science. The prosecutor, John Jackson, acknowledges that the arson investigation was flawed, but he remains convinced that Willingham is guilty for two reasons. The first is that he beat his wife and was therefore capable of killing his children. The