Documentary looking at the 2005 attack on London's transport system and the ensuing police investigation and the three-week hunt to catch the bombers.
7/7: The London Bombings - S01E01 - The Attack
7/7: The London Bombings - S01E02 - Fragments of Evidence
7/7: The London Bombings - S01E03 - Bombers Strike Again
7/7: The London Bombings - S01E04 - Under Siege