Blood, Powder, and Residue: How Crime Labs Translate Evidence into Proof

A rare behind-the-scenes look at the work of forensic scientists

The findings of forensic science—from DNA profiles and chemical identifications of illegal drugs to comparisons of bullets, fingerprints, and shoeprints—are widely used in police investigations and courtroom proceedings. While we recognize the significance of this evidence for criminal justice, the actual work of forensic scientists is rarely examined and largely misunderstood. Blood, Powder, and Residue goes inside a metropoli...