99% of people who disappear come home again. A third of them don't stay.
There is good evidence that Australia's counter-terrorism strategies are working.
The attack in London was horrific but armed officers were on the scene and ending it with astonishing speed.
Policing culture is often associated with a lack of transparency and a resistance to external examination.
The figures don't really add up.
Crime data reflect only what crimes are identified by the police – not all the crimes that occur. So decisions based on crime data are necessarily biased and incompletely informed.
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.
Cybercriminals are using cloud-based services, much like regular businesses. A new study reveals important lessons for the future of fighting cybercrime.
Police and the courts have locked up some of Europe's most notorious mob bosses – but the next generation of would-be kingpins are even worse.
Portugal won the war on drugs by giving up. What lessons can South Africa learn from their approach?
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.
It is difficult not to see the film as a vanity project for Wahlberg.
Governments' continual use of security forces to 'keep order' in low-income and minority neighborhoods masks their inability find solutions other than force.
A review of international research shows that police may well be better off without weapons.
The domestic deployment of the military is almost always a sign of growing state repression.
But can they improve pupils' behaviour?
Our panel of experts examines whether immigration leads to more crime using data from across 200 metropolitan areas and 20 years of research.
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.