Theresa May says they have. But let's take a closer look.
Policing culture is often associated with a lack of transparency and a resistance to external examination.
The figures don't really add up.
The 19th century Irish crimewave that wasn't: how a change of policing brought the English counterfeiters to book.
The new psychoactive drug Spice is taking its toll on frontline policing.
It is often assumed that police are at higher risk of suicide than other members of the community because of the stress involved in their jobs. But the picture is more complicated than that.
Ask when, not if, police in the UK 'shoot to kill' under revised policy.
You often hear police express a concern that their jobs will become more difficult if they are forced to work with ICE. We look at the evidence.
Portugal won the war on drugs by giving up. What lessons can South Africa learn from their approach?
Brazilian state governments increasingly use the military for services they should provide themselves.
All sexual offenders should be investigated and prosecuted equally.
The DOJ has found excessive use of force in the Baltimore, Ferguson and Chicago police departments. Could a solution be found by seeing the police as victims of violence as well?
Banning orders can encourage personal responsibility and demonstrate that anti-social behaviour will not be tolerated.
Despite the growth in darknet drug trading in Australia, there are important reasons why it is less harmful than street drug dealing.
But can they improve pupils' behaviour?
Police remain critical in the effort to tackling family violence in all its forms. But more than just a commitment to extra police and training is needed to improve outcomes for victim-survivors.
Any policy governing police pursuits must balance the need to apprehend offenders with the safety of the community.
Some people have a remarkable aptitude for recognising a face – are you one of them?
Body-worn cameras may seem to be a boost for policing and criminal justice, but they raise a host of issues around admissibility, privacy and fairrness.
While potentially helpful in resolving extraordinary cases, an over-reliance on CCTV images to tell 'the truth' risks perpetuating certain myths regarding violence against women.