PHOENIX (AZFamily) — DNA technology is giving law enforcement the upper hand in tracking down violent offenders and getting them off the streets, with back-to-back cold cases from across The Valley recently solved.
While some cold cases are heating up, other investigations can take longer than others to close. It’s not so much a matter of “backlogs” — there are a lot of hurdles when it comes to linking evidence to a suspect.
One big obstacle is how a suspect gets into the system. Police are on the streets every day, making arrests and collecting evidence, but not every arrest and not all evidence leads to the DNA lab…