In depth stories and investigations.
What you need to know before Russell Brand goes on trial at Southwark Crown Court.
Why did a teenage girl come to school armed with a knife?
Josh Baker investigates one of the biggest missing-person cases of our time.
Star student Yusron is told a dark secret
Exploring arguments whilst combing through evidence heard in major UK criminal cases.
File on 4 Investigates: News-making original journalism.
