From the BBC:
Services to help children who have committed sexual abuse are underdeveloped in Wales, the children's charity NSPCC claims. It is calling on the Welsh Assembly Government to improve services to those children and young people who display sexually harmful behaviour.
The charity claims 25% of sexual abuse is committed by children.
These services are important, and not just in Wales, because they can help children who may have learned how to be an offender from being the victim of another sex offender. However, any services directed at offenders needs to be aware that sex offenders can and do lie about having been victims of sexual abuse prior to becoming sex offenders.
From the Rochester Post Bulletin:
Lying is rare, said Nancy Reuvers, supervisor of child/family services for Dodge County. [...]If a child sex offender successfully cons those trying to provide offender treatment about his or her history then that treatment will have been compromised and the offender may learn how to be a better liar and a better manipulator -- of future victims and of the criminal justice system.
Author and psychologist Anne Salter, however, said many people convicted of sexual abuse do lie. In her book "Predators Pedophiles, Rapists, And Other Sex Offenders," she said a study of much of the data about numbers of abusers who were abused are based on self reporting.
One test of convicted offenders asked if they had been abused. Half of the offenders were told they would have to take polygraph tests afterward.
Of those who didn't have to take a polygraph test, an average of 64.3 percent said they were abused; of those told they would be tested, 30.3 percent said they were abused.
Even if most children who commit sexual abuse were never victims of sexual abuse themselves effective services are still important. Early and effective prevention is key to reducing the rates of attempted sexual abuse. It's better to help offenders learn healthy behaviors quickly rather than doing nothing with offenders until they have hurt more victims and are firmly entrenched in their rationalizations.
With all the debate about sex education, very little of it addresses ethical and legal boundaries.