Researcher reports low false‑positive rates for duct‑tape fracture matches, but manipulation raises false negatives At a symposium, Dr. Tatiana Trejos presented a laboratory study of duct‑tape fracture matches showing very low false‑positive rates in controlled samples and about 98% true‑positive performance, but she reported false‑negative rates can rise to roughly 64% after extreme physical manipulation; she called for interlaboratory collaboration to validate scoring thresholds.

Dr. Tatiana Trejos revealed groundbreaking results showing that while duct-tape fracture matches boast a low false-positive rate, extreme manipulation can skyrocket false negatives to 64%.

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