Tony Edwards and those bereaved or scarred by Hillsborough have spent twenty years pressing for justice, for some sort of explanation as to who exactly was responsible for so much going wrong at an FA Cup semi-final and why no individual has ever been held accountable.

BBC: Hillsborough truth 'always covered up'

The most likely explanation: the leadership of the division of the FDA responsible for drug regulation, the Center for Drug Evaluation and Research (CDER), is seeking to avoid accountability for its role in the Avandia tragedy.

FORBES: Steven Nissen: The Hidden Agenda Behind The FDA's New Avandia Hearings

Commander Mark Simmons, who is responsible for sex attack investigations at the Met, said there was "no explanation" for why Reid was not picked up sooner and vowed to learn lessons from the case.

BBC: Serial sex offender found guilty

After Reid's conviction in June 2009, Commander Mark Simmons, who was responsible for sex attack investigations at Scotland Yard, said there was "no explanation" as to why Reid was not picked up sooner and vowed to learn lessons from the case.

BBC: Met officers face action over rape inquiry failures