A 53-year-old former teacher has been jailed for nearly four years for secretly filming over 100 teenage students taking shower at a private boarding school in the UK — totalling more than 2,500 hours of footage — filmed over a period of 16 years. Jonathan Thomson-Glover, pleaded guilty to 36 counts of making, taking and possessing indecent images of 120 children aged between 12 and 17 over a 16 year period while at Clifton College, Bristol.