Q&A: Why is it so hard to secure a rape conviction?

SPECIAL REPORT: What really happened at Tommy Robinson's rally

The secret world of child terrorists

The real life Line of Duty: how to catch corrupt cops

'Two-tier' policing: are cops tougher on some protesters than others?

What’s the future of Notting Hill Carnival?

Q&A: Should police reveal suspects' ethnicities?

Cocaine and punching police horses: inside football hooliganism

Policing, politics, prejudice: 30 years on the frontline

Inside a Manhunt: on the tail of an armed drug dealer

Broken justice: why criminals are getting away with it

Is the far-right hijacking legitimate immigration protests?

Q&A: Were the Sycamore Gap vandals given too long a prison sentence?

How to foil a terror plot

Q&A: Should Shamima Begum be allowed back in the UK?

Death threats and the bomb squad: infiltrating the far-right

Q&A: Were the police and journalists too cosy during the Lucy Letby trial?

Mission creep: Why are Britain’s police forces at breaking point?

Face to face with a terror group

Inside gangs: Why are children killing each other?