The black-cab rapist John Worboys has been denied parole for the second time. The Parole Board told his victims on Thursday that it had decided against either releasing Worboys or allowing him to move to open conditions within prison. Open conditions in prison means offenders are held under minimal security and can work in the community. Worboys, 68, was convicted in 2009 after being found guilty of assaulting his victims after drugging them with spiked drinks. He was found guilty of sex offences against 16 women, but police say he could have had more than 100 victims. The Guardian understands there is not a fixed date for his next parole hearing, but that the board thinks it could be in about one to two years. The date is dependent on a decision from the Ministry of Justice and the work the offender would have to complete to be eligible for parole.…