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Bundy was linked to the deaths of at least 30 women and girls across several states in the 1970s. His murders -- which occurred in sorority houses, parks and elsewhere -- set the nation on edge. Bundy's arrest drew widespread fascination, in part because many considered him to be charming and handsome.

Investigators had carefully preserved the evidence from Aime's case, and forensic analysts were able to identify portions that seemed most likely to have usable DNA samples, Utah Department of Public Safety Commissioner Beau Mason said.

The state crime lab got new technology in 2023 that allows investigators to extract DNA from samples even if they are small, degraded from age or contain DNA from multiple people, he said. That technology allowed them to identify a single male DNA profile, which they submitted to a national law enforcement database.

Bundy's DNA was a match, Mason said.