First broadcast: on BBC Two Northern IrelandLatest broadcast: on BBC HD
A decade after the attacks on New York, Washington and Pennsylvania, the Conspiracy Files looks at why some people still question what really happened on 9/11. Show more
On the eve of the publication of Lord Stevens's report into the death of Princess Diana, an investigation into allegations that she was murdered by the secret service.
First broadcast: on BBC Two Northern IrelandLatest broadcast: on BBC Two HD
With eyewitness testimonies, satellite photographs, wire taps, clandestine videos and expert evidence, Conspiracy Files investigates who shot down Malaysian Airlines flight MH17. Show more
First broadcast: on BBC Two EnglandLatest broadcast: on BBC One Northern Ireland
The Conspiracy Files delves into the final mystery of 9/11: a third tower at the World Trade Centre, which along with the Twin Towers, also collapsed that day. Show more
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC One Scotland
An investigation of the growing number of conspiracy theories surrounding the 9/11 attacks. With observations from eyewitnesses, this programme tries to separate fact from fiction. Show more
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Two England
An investigation into the suspicions that still surround the death in July 2003 of the government scientist and weapons inspector, Dr David Kelly. Show more
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Two England
An investigation whether the Oklahoma City bombing was the work of lone bomber Tim McVeigh, or whether there were others involved who are being protected in a government cover-up. Show more
First broadcast: on BBC Two EnglandLatest broadcast: on BBC One Yorkshire
Investigating the crash of Pan Am flight 103 at Lockerbie in December 1988 which killed 270 people. Twenty years on, will the story of this act of terror finally emerge? Show more
First broadcast: on BBC Two Northern Ireland (Analogue)Latest broadcast: on BBC Two Wales (Analogue)
Following the High Court verdict of unlawful killing on the death of Princess Diana, a Conspiracy Files special reports on how the conspiracy theories grew over the past 10 years.
First broadcast: on BBC Two EnglandLatest broadcast: on BBC One Wales
Examining what has happened to the world's most wanted man, Osama Bin Laden. Despite one of the biggest manhunts in history, Bin Laden is as elusive as ever. Show more