Description A 50-year-old sex offender has been jailed 30 years after he abused two girls. Glen Johnson, of Waltham Close in Peterborough, abused the girls in the 1990s. He also ill-treated four children during the same timeframe, court heard. He was arrested in 2020 and, in police interview, admitted the abuse but claimed he didn't know why he had done it. Det Sgt Rebecca Welberry, described the abuse as "traumatic" for the victims. Johnson admitted four counts of child cruelty and three counts of indecent assault on a child and was jailed for four years and two months at Cambridge Crown Court on Thursday. He was ordered to sign the Sex Offenders Register for life, given restraining orders against his victims indefinitely and also handed a Sexual Harm Prevention Order (SHPO) for life.