7/7: The London Bombings

On the 8th, the police and security services are concerned that a new attack is coming. They don't know for certain that the bombers killed themselves in the blasts. At the explosion sites, scene of crime investigators pick through the wreckage and endure the emotionally taxing task of recovering human remains. As they search, they discover the ID of two individuals at two different bomb sites, concluding these were suicide bombings.