RELATED BBC SITESMORE PROGRAMMES |  |
| 


In 1988, 270 people were killed in Britain's worst terrorist attack. But has the full story of Pan Am flight 103 been revealed? |  | |
|  | Senior lecturer Peter Knight examines the rise of the conspiracy theory. 
|

Did Timothy McVeigh act alone or were others involved who are now being protected? |  | |  |
| When everyday explanations are not big enough: why people believe in conspiracies. |

We explore the questions remaining following the death of the weapons inspector. |  | |  | |


|