Sally Clark...

This image, from yesterday's Guardian, is one of the saddest photographs I’ve ever seen. Sally Clark was sentenced to life in prison, in 1999, for murdering her two baby boys and blaming it on cot death. According to the damning testimony of Professor Sir Roy Meadow, the self-styled expert on child-abuse, the chances of having two cot deaths was “73 million to one”. She also lost the right to be a mother to her surviving child.

The flawed research of Professor Meadows having been discredited, Sally Clark’s conviction was ruled unsafe. She was freed in 2003 - when this photo was taken - but the damage had already been done. She died four years later. We can see in the photo the thousand-yard stare of a woman, badly let down by the justice system, who finally had no more tears left to cry…