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Exhumation could bring answers in 1972 unsolved death of Joli Truelson
Advanced DNA testing is underway after the exhumation, as investigators revisit destroyed evidence and new reporting that could link the killing to a serial suspect.
Joli Truelson's body, exhumed in July of this year, is undergoing advanced DNA testing in hopes of solving her 1972 murder in Minneapolis.
Forum Communications' podcast, The Vault, published a 5-part investigative series that later revealed new information potentially linking serial killer Carignan to Truelson's case.
Lab records confirmed blood samples were destroyed within one year of the 1972 discovery, and a hammer found in a suspect's vehicle was later removed from police possession.
Tryg Truelson, Joli's brother, expressed cautious optimism about the testing, telling Forum News Service, "The temperature, humidity, and different elements can really ruin or destroy the DNA."
Advancements in DNA technology recently solved the 1974 murder of Mary Schlais after investigators traced a hair to Jon Keith Miller, providing precedent for long-unsolved cases like Truelson's.