Andrew Christopher " Andy " Hayman , CBE , QPM ( born 1959 ) is a retired British police officer and author of '' The Terrorist Hunters '' . Hayman held the rank of Chief Constable of Norfolk Constabulary and Assistant Commissioner for Specialist Operations at London 's Metropolitan Police , the highest-ranking officer responsible for counter-terrorism in the United Kingdom . Hayman was directly responsible for the investigation into the 7 July 2005 London bombings . He has also spoken for the Association of Chief Police Officers , first on drugs policy , and later on counter-terrorism
7 July 2005 London bombings
7 July 2005 London bombings
Andy Hayman