A double murder?

And the power of the insoluble

This is James Hanratty, a petty crook from north London, who in April 1962, at the age of twenty-five, was hanged for the murder of a man named Michael Gregsten.

On the evening of the previous August 22nd, Gregsten - a research scientist, married but separated - had been parked in a cornfield in Taplow, Buckinghamshire, with his lover, Valerie Storie. I…