Introduction to Ninhydrin Fingerprint Analysis in Drug Detection In recent years, the rise of drug smuggling through infused paper items, particularly in prisons, has prompted the need for innovative forensic techniques. Ninhydrin, a well-established reagent used to detect latent fingerprints,...

A Trailblazer in the Field of Criminalistics Before modern forensic science, criminal investigations relied largely on confessions and eyewitness accounts, often leading to wrongful convictions. However, in the late 19th century, Hans Gross revolutionized criminal investigation by introducing scientific methods...