Inside the Union County Sheriff’s Crime Lab: How science is helping solve cases faster

Before charges are filed and criminal cases head to court, much of the work begins inside the Union County Sheriff’s Office ...

DNA in Nancy Guthrie case could take ‘a year’ to analyze, sheriff says — after using private lab instead of FBI

Pima County Sheriff Chris Nanos revealed that there are problems with the DNA evidence collected from Nancy Guthrie’s house that could take up to a year for the private Florida lab he’s using to ...

Genealogy company exec slams Pima sheriff's 'devastating' move to ship Nancy Guthrie evidence to Florida lab

DNA testing company Othram slams Pima County Sheriff for sending Nancy Guthrie case evidence to Florida lab instead of FBI, calling decision "devastating." ...

Sheriff defends use of 3rd-party lab in Nancy Guthrie case for DNA testing

The Pima County Sheriff's Department is using a third-party lab to process DNA in the Nancy Guthrie case rather than leaning on the FBI in Quantico. Sheriff Chris Nanos explained the decision to CBS ...