Now that the first day of the trial is over, we have a new lead. And that means that our investigation begins again!
Since some of the people in the Twitch chat were wondering about luminol, especially since it’s relevant to the current case, I thought it might be a good idea to briefly describe what it is here.
Even after a bloodstain is cleaned up, trace amounts of it, invisible to the eye, linger for years afterward. If luminol is sprayed onto one such formerly bloodstained surface, the surface will start to glow in the dark. Though other chemicals can be detected with luminol, blood is the most common use case. The only thing I got wrong is that a blue light is required, but the concept is still true.
Funnily enough, you can buy it for private use, but to be honest I struggle to come up with a reason I would need luminol in my daily life. That said, it is still used today in crime scenes the world over, which is partly why it remains a staple of modern murder mystery fiction.
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