John Broughton, convicted of indecent assault against a nine-year-old boy in Sidcup Met Police A 75-year-old former private tutor has been convicted of indecently assaulting a nine-year-old boy he taught in Sidcup in the early 1980s. John Broughton was jailed in the 1980s for a string of similar offences, but the new crime came to light when the victim came forward after nearly 40 years. John Broughton, of no address, pleaded guilty to indecent assault of a nine-year-old boy at an address in Sidcup between December 1981 and April 1982. He was sentenced to one day s imprisonment concurrent with a sentence he is currently serving for a different offence.