He said the group of hardcore jihadis that need to be separated had not all been convicted of terrorist offences; some had been convicted of criminal offences and had developed into extremists while in custody.
Jill Gramann, a magistrate and Sentencing Council member, said: "Theft offences are some of the most common crimes that come before the courts, and these offences vary greatly.
Editors and journalists do worry about its disapproval, and it has probably prevented repeat offences of some of the worst practices of past years.
Rates of conviction varied substantially according to offence, with some of the most serious offences, such as manslaughter, having the lowest conviction rates.
Lawrence does not dispute the huge number of offences some youths are racking up, but says: "Arrest them, charge them, prosecute them, find them guilty and sentence them.
Bowing down to pressure, the society cancelled and removed the Facebook event, issuing a public statement shortly after to apologise for causing offence: As some of you may have seen, we have cancelled our event next week.
I don't want to have anything less than amazing for you and I'm sorry for the things I saw without thinking and for taking offence to some of your actions".
"We regret that it caused offence to some of our readers and we apologised personally to those who complained about it at the time". A spokeswoman for the Independent declined to comment on the newspaper's decision to feature the ad.
The 33-year-old told the Mail on Sunday that the manager asked her husband, Steve, to get her to stop "doing that", describing it as an "indecency and nudity issue" which was "causing offence to some of the younger lifeguards".
Running away from home is not a criminal offence, and some of the released women told the BBC that they were jailed without ever going to court.
