Oh man, scientific errors are everywhere, remember the mystery serial killer striking in multiple countries seemingly at random? Turned out, the swabs in the DN

Oh man, scientific errors are everywhere, remember the mystery serial killer striking in multiple countries seemingly at random? Turned out, the swabs in the DNA kits were contaminated at the manufacturer by a single person. https://en.wikipedia.org/wiki/Phantom_of_Heilbronn https://en.wikipedia.org/wiki/Phantom_of_Heilbronn