Lara was examining a crime scene she found a piece of cloth at the scene which she thought might have some finger prints she used a detection technique that made a purple print visible what technique did Lara use

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Gerald Rollins

Law

11 March, 11:05

Lara was examining a crime scene she found a piece of cloth at the scene which she thought might have some finger prints she used a detection technique that made a purple print visible what technique did Lara use

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Tiana Miranda · Answer 1

Lara used ninhydrin. Ninhydrin is generally applied with a spray bottle, and will work with the amino acids within the evidence to produce a purple-effect. This is also known as Ruhemann's Purple.