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Guns often have unique individual traits.
solving crimes with physics
was believed to have on him when he was murdered. Sacco and Vanzetti
were put on trial and found guilty for the murders of the paymaster and
his guard.
The murder trial of the two men hinged on evidence gathered from
the bullets found in the bodies of the paymaster and security guard. The
prosecution and defense each hired “expert” witnesses to speak about the
value of the bullets as evidence, but neither had any scientific experience.
Their testimony was largely based on guesses they made.
