Obviously, Ferguson is a dirty, dirty pedo. A predator, who has himself admitted that he is likely to reoffend. He is a threat to children, and society as a whole.
However, this is 2009, and if we are to be a society who adheres to and respects our judicial system; we need to accept the fact that he by finishing his prison sentence, he has therefore, in the eyes of the law, paid his debt to society. Are we a society whom obeys the most basic rule of law, or are we one that is reduced to mob rule at a whim, weilding torches and pitchforks at whoever we please?
People have asked me "Would you want to live next to him?" and "Would you allow your children to live near him?" And the answer is obviously, 'No'. I would not want to live near him, especially if I had a family of my own.
It's difficult, because Pedophiles are Pedophiles; and they can not suddenly be taught the error of their ways during a prison sentence. They nearly always reoffend. But realistically, what more can they (the authorities) actually do? Short of exiling him off to Christmas Island, there is no way that they can ensure that the community is safe and that he does not offend again.
And if we are going to suddenly treat him different because of a crime that he (in the eyes of the legal system) has already paid his debt for, then this would start a precedent whereby anybody who has ever been convicted of any crime could potentially be treated as a second class citizen.
Also, on a more general note; pedophiles live anywhere and everywhere. We just don't know about it. The suburb of Ryde in Sydney's North was all up in arms about how "We don't want him here" etc, but realistically, he would not be the first Pedophile to live in the area, and he will not be the last.
Chasing one man out of the area will not suddenly make the greater issue of Child Abuse and Pedophilia go away.