"Rialto’s randomised controlled study has seized attention because it offers scientific – and encouraging – findings: after cameras were introduced in February 2012 public complaints against officers plunged 88% compared to the previous 12 months. Officers’ use of force fell by 60%. “When you know you’re being watched you behave a little better. That’s just human nature,” said Farrar. “As an officer you act a bit more professional, follow the rules a bit better.”"