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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.
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The Santa Fe Trail was America’s first commercial highway. Traders established the trail—which connected Missouri to Santa Fe, New Mexico and covered some 900 miles of the Great Plains—in 1821. Before its demise due to the completion of the Santa Fe railroad, the Santa Fe Trail served as a thoroughfare for countless traders, pioneers and America’s military, and it played a crucial role in America’s westward expansion.
