The Innocence Project in the US and elsewhere has become ­famous for addressing miscarriages of justice. Its legal teams challenge wrongful convictions that often are based on inadequate defence, false confessions or witness errors. But the principal tool is DNA: evidence that is irrefutable.

But what if the DNA testing at the lab is subject to malfeasance? Corruption of DNA evidence is the core issue in Michael Connelly’s gripping new book, Fair Warning, reviewed here by USSC non-resident senior fellow Stephen Loosley.