Police “wrote off” thousands of crimes last year – including rapes, drug offences and violent assaults – because the culprits were aged under 10. The revelation comes at the same time as the government is looking at the possibility of increasing the age of criminal responsibility to as high as 12, meaning even more offences will end up without the culprits being punished. Experts fear mobile phones and internet exposure may be behind the surge in the numbers of children, aged under ten, finding