Sick teacher, 34, who has sex with boy, 11, jailed after he helped police catch herFormer substitute teacher Alley Bardfield, from Illinois, US, claimed the young boy made sexual advances towards her but eventually admitted to sexual assault of a childView 4 Images The sick school teacher was caught after a police sting operation (Image: Macon County Jail)A former substitute teacher has been jailed after an 11-year-old boy she had sex with helped set up a police sting operation to catch his predator. View 4 Images Bardfield was sentenced to ten years behind barsThe mother then took her child to hospital, where staff administered a rape kit. ‌When police questioned the boy, he told them Bardfield took him to her bedroom, where they kissed and she took off both of their clothes. They then had sex on her bed, which she had shared with her husband Casey Newton Bardfield, a construction worker, the boy said. Bardfield also said she gave him money via CashApp and to exchanging naked photographs on Snapchat with the boy, according to police.