미성년자 대상 성범죄자, 출소 후 1대1 감시… 조두순법 시행br br A new law that allows police to monitor juvenile sex offenders around-the-clock is now in effect.br Ex-convicts deemed likely to reoffend will be under 247 police observation for at least six months.br The law was prompted by the Cho Doo-soon case in 2008 when Cho brutally raped a then-eight-year-old girl.