Army cadet staff sergeant lured boy to base for sexual 'fantasy' He pinned the frightened boy down then twisted his nipples and tickled him 05:00, 5 FEB 2021 Updated Kevin Tallon tried to cover up his abuse (Image: Liverpool Echo) An Army cadet staff sergeant lured a boy to a base so he could fulfill a sexual "fantasy" of twisting his nipples and tickling him. Kevin Tallon volunteered with Merseyside Army Cadet Force and held the ranks of staff sergeant and detachment commander. The 47-year-old grossly abused his position by asking a young teenager to help with maintenance work to get him alone.