The choice Marine A had to make in combat would have taxed Aristotle, let alone an ordinary soldier, his lawyer Jonathan Goldberg QC has told talkRADIO.
Alexander Blackman spent three and a half years in jail for killing a wounded Taliban fighter. He has now been released after his conviction was replaced with diminished responsibility manslaughter.
Goldberg, head of Blackman's legal team, has said the lesson the courts must take from this is that if a combat solider is charged with any offence within a year of seeing active service, he should have a full psychiatric examination as a matter of routine.
He told Julia Hartley-Brewer that in the opinion of many lawyers and observers, the court system has not come out of this case with enormous credit.
Goldberg said that Blackman is a remarkable guy who can cope with tremendous adversity, as he was always cheerful when he saw him in prison, despite even the wardens saying he shouldn't be there.
The lawyer also added that there is talk of a Hollywood film about the story of Blackman, which could feature Tom Hardy and Kate Winslet.
Listen to the full interview above