Smoking Gun

Episode 10: The Lego Brick

When Lucille Johnson was found murdered in her own home, it wasn't the murder weapon, or the method of entry which would provide the clue as to what had happened. In this episode, we tell the story of how Lego bricks provided answers in a case which threatened to go unsolved, and unmasked a killer who had tragically already gone on to kill again. In the final episode of the season we tell one of the most tragic and shocking cases of a double killer who twice thought he had evaded capture - but couldn't stay ahead of the law.
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In every murder investigation, there's one key item that could bring a killer to justice.
But finding it....and knowing what evidence it contains....well that's the challenge. Because the smoking gun could be anything. A bouquet of flowers...a Chinese meal...a mosquito.
In this series we tell the remarkable true stories of how everyday items such as these have been the key to unlocking a criminal case. And we unpack the science - revealing the cutting edge techniques and the disciplines mastered over decades, which allow specialist forensic scientists to find this evidence.
Hosted by actor Romola Garai, and the UK's most prominent forensic scientist Tracy Alexander.