Police warn of rise in violence by women

The headline tells only part of the story in this article, Police warn of rise in violence by women | UK news | The Observer: the most important bit is arguably this.
"the number of crimes committed by girls aged 10 to 17 in England and Wales has gone up by 25 per cent in three years to 59,000, Youth Justice Board figures show. But critics say the increase is down to the police dealing with violent women more formally. Susan Batchelor, of the Scottish Centre for Crime and Justice Research, said 'Traditionally young women have been much more informally socially controlled than young men, and we may be seeing some changes.'"
So the reports of a few years back indicating that testosterone seemed to be the biggest crime-related factor, may have been skewed by the social attitudes of police to offenders. Though, there are also issues to do with gender equality also making a difference on how crime is committed by different groups. A downside, though an interesting indicator of just how much is hormones and how much is social construction...