To start an investigation against anybody without preliminary evidence of wrong-doing (“prima facie”) is against human rights, against international law, and even against English law. All three are predicated on the fundamental pillar of the presumption of innocence, and not as Mr. Gary Hickinbottom - along with Iran, North Korea and Belarus - would have it: first to mark the target, and then to start fishing for any little item that might indicate wrong-doing.