May 26, 2020 | View as webpage
Dear Police1 Member,

More than 250,000 cold cases have accumulated since 1980, a number that increases by about 6,000 each year according to the DOJ. Unsolved cases mean mounting caseloads, which drain resources and result in higher costs for agencies with limited budgets.

"Cold cases constitute a crisis situation, for all unsolved homicides potentially have offenders who have never been apprehended," says Tom McAndrew, who served as one of 36 experts on the Cold Case Investigation Working Group, convened by the Office of Justice Programs' National Institute of Justice. "History and research show that a violent offender will likely repeat."

In our latest Investigations eNewsletter, we take a deep dive into cold cases. Read on to find out:
  • How forensic genetic genealogy solved a sexual assault cold case
  • How emerging techniques helped crack a 1973 murder
  • Five ways to solve a cold case
  • The role of DNA technologies in criminal investigations

Nancy Perry
Editor-in-Chief, Police1.com

Leveraging forensic genetic genealogy to solve cold cases
By Cole Zercoe
Detective Ashley Nolan of the Chandler Police Department in Arizona details how her PD solved a sexual assault cold case from 1986
5 ways to solve a cold case
By Nancy Perry
Agencies must address the growing problem of unresolved criminal cases
Solving cold cases
By Policing Matters Podcast
An estimated 40% of the homicides that occurred in the U.S. from 1980 to 2016 – approximately 242,000 – remain unsolved
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Arrest of suspect in 1973 murder shows how emerging techniques help crack cold cases
By Greg Hardesty
Thanks to DNA analysis and genetic genealogy techniques, officials arrested a Colorado man they believe is responsible for the haunting slaying
How new DNA technologies are changing criminal investigations
By W. Thomas Smith Jr.
Using DNA evidence, Richland County investigators were able to solve a grisly murder from 30 years ago
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