Lawrence Archer is the telecoms engineer who was foreman of the jury at the 2005 Ricin trial, and has followed the lives of the acquitted defendants ever since, including attending their High Court and immigration appeal hearings. He is co-author of Ricin!: The Inside Story of the Terror Plot That Never Was (Pluto, 2010).

Fiona Bawdon is a freelance journalist. She writes on criminal and civil justice issues for the national and specialist legal press. She is the co-author of Ricin!: The Inside Story of the Terror Plot That Never Was (Pluto, 2010).

Michael Mansfield QC is an English barrister specialising in criminal defence work. He has often worked to overturn miscarriages of justice, including the wrongful imprisonment of both the Guildford Four and the Birmingham Six. He represented one of the acquitted defendants in the Ricin trial. He is the co-author of Ricin!: The Inside Story of the Terror Plot That Never Was (Pluto, 2010).