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The police find a stranger’s DNA on a victim’s fingernails. Can a DNA match be wrong?

05 Apr 2024,·14 mins

An expert thinks a crime scene indicates arson. But then the fire science changes.

04 Apr 2024,·14 mins

The police use coercive tactics to extract confessions from the Guildford Four.

03 Apr 2024,·14 mins

One of the FBI’s microscopic hair analysis experts gets it very wrong. And he's not alone.

02 Apr 2024,·14 mins

A judge has to decide the cause of a baby’s death but the experts in the case don’t agree.

01 Apr 2024,·15 mins