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 The announcement of the DNA match brought a mix of emotions to the surviving family members. Authorities have notified the family, and investigators are actively working to reexamine the case. The sheriff's office expressed gratitude for the collaborative effort that led to the identification of the Lass family.

Donna Lass's disappearance, labeled as "suspicious" by detectives, continues to raise questions about the circumstances surrounding her death. 

Zodiac Killer Connection

While the identification brings a measure of closure, the details of how she died remain unclear. South Lake Tahoe Police spokesperson Stevenson mentioned that, even though it was a long time ago, families never forget, and the pain of the unknown is enduring.

Internet sleuths suggest a possible connection to the infamous Zodiac Killer. 

Known for cryptic messages and unsolved crimes in Northern California in the late 1960s, and early 1970s, the case of the Zodiac Killer has never been officially solved.

Some believed Lass might have been a victim of the serial killer due to a postcard sent to authorities and a Christmas card sent to Lass's sister after her disappearance. 

However, authorities have not linked Lass's death to the Zodiac Killer, and the case remains unsolved.

DNA Technology Cold Cases

The breakthrough in Donna Lass's case underscores the pivotal role of DNA technology in solving cold cases.

Investigative genetic genealogy, a technique that has gained prominence, involves using genetic information to identify and establish connections between suspects and victims. 

Law enforcement can enter DNA samples into a national database to find a match. One of the most famous cases cracked by the DNA profiling technique was that of the Golden State Killer, who was identified in 2018.

This year DNA has played an important role in an arrest in the case of the Long Island Gilgo Beach murders which took place from 1996 to 2011. 

An architect was charged after detectives matched his DNA from a discarded pizza box to a male hair found on one of the murder victims' remains.

The Lake Tahoe cold case is now an active investigation.

"As technology develops, investigators routinely revisit cases which were previously believed to have no leads," South Lake Tahoe Police announced.