What does Green offer LeCederick if he could convince his mother to change her story?

Green told LeCederick if he could get his mother to change her story, he would get money and an early prison release. LeCederick tells his mother that the guards and other prisoners are beating him for helping the police. Green's men go to Mrs. Earle's house and tell her the same story as LeCederick. Fearful for her son's safety, Mrs. Earle changes her story.