The Toothbrush

What are toothbrushes good for? Primarily…fighting tooth decay, though they can also help to clean awkwardly shaped items like jewellery or…in a pinch… to get crumbs out of the toaster. But what about solving a murder? When Francisca Perea Dominguez, 42, was found stabbed to death in her apartment in Aurora, Colorado, all they had to go on initially was that the last man to see her alive was wearing a white cowboy hat. Ultimately it wasn’t the murder weapon, or an eyewitness that placed the murderer at the scene of the crime but instead, an item we all (hopefully) use twice a day,everyday. The humble toothbrush.


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Smoking Gun is a What's The Story original podcast series.

This episode is narrated by Sarah Henderson & Tracy Alexander


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Om Podcasten

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 the UK's most prominent forensic scientist Tracy Alexander.



Smoking Gun is a What's The Story original series.



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