Their offences include assaults, a stabbing, child sex offences, drug dealing and rape.
In one case a judge jailed a serial Chesterfield paedophile for over three years.
He had been snared online by two undercover police officers posing as girls aged 12 and 13 on Snapchat.
He had been snared online by two undercover police officers posing as girls aged 12 and 13 on Snapchat.
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