Norwalk cold case unit using DNA to close unsolved crimes

Norwalk's cold case unit is using DNA technology to make convictions in cases that could be decades old. The unit's most recent conviction put Osvaldo

The unit's most recent conviction is from a case that is a quarter-century old.

The unit's most recent conviction is from a case that is a quarter-century old. (2/19/14)

NORWALK - Norwalk's cold case unit is using DNA technology to make convictions in cases that could be decades old.

The unit's most recent conviction led to the arrest of Osvaldo Muniz in a kidnapping committed more than a quarter-century ago.

Lt. Art Weisgerber, head of the unit, says advances in DNA technology make it possible to give victims some closure.

Weisgerber says the sample size needed for an accurate reading of DNA is now as small as the head of a pin. Using these advances, the unit was able to have DNA on the victim's underwear analyzed, which pointed to Muniz.

Weisgerber says he has also spent countless hours over the past three years organizing the 116 major unsolved cases dating back to 1971.

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