Why does Perry Lawyer, Mr.Fleming, thinks that there is a chance that they won't have to face the death penalty

He says that a trial would be best held in a place with a strong religious community.

 “It wouldn’t matter where in Kansas the trial was held. Sentiment’s the same all over the state. We’re probably better off in Garden City. This is a religious community. Eleven thousand population and twenty-two churches. And most of the ministers are opposed to capital punishment, say it’s immoral, unchristian..."