Advancements in DNA Technology for Criminal Investigations

As investigators sift through a mountain of information and follow various leads, the risk of a serial criminal striking again looms large. Forensic expert David Mittelman emphasizes the rapid evolution of DNA analysis, particularly evident in high-profile cases like the Idaho murders and the Rachel Morin case. He points out that investigative genetic genealogy (IGG) has become not just more accessible but also quicker, suggesting that it could soon be an initial tool rather than a last resort for law enforcement.

“DNA should be prioritized like checking a video camera,” said Mittelman, founder of the Osram Forensic Science Institute. “You want to first identify who was at the scene, just as you would review nearby cameras, and then move on to DNA evidence.” It’s an approach that makes a lot of sense, doesn’t it?

In ongoing investigations, Mittelman observes that DNA often acts as a “confirmation tool,” something used at the end of the process to validate the right suspect. He expresses hope that this mindset shifts, allowing DNA to take on a more proactive role. “We need to treat DNA as the first step, akin to reviewing video footage,” he explained.

In both the Idaho student murder case and Rachel Morin’s tragic story, police sought assistance from Osram to utilize IGG due to a lack of leads, which eventually led to identifying the convicted murderers, Brian Koberger and Victor Martinez Hernandez.

Traditional DNA testing involves matching a suspect’s sample to existing law enforcement databases, but it can miss individuals, particularly first-time offenders. IGG, on the other hand, marries forensic science with genealogy techniques to identify unknown suspects.

“If IGG becomes as standard as fingerprints, then perhaps other families won’t suffer as Morin’s did,” noted Randolph Rice, an attorney for Morin’s family. “This should not be seen as a luxury; it deserves to be a fundamental investigative tool.”

Mittelman notes that IGG can be particularly beneficial in serious crimes, where DNA from perpetrators is often available, frequently in cases of violence or sexual assault. He believes solving such cases through IGG would be faster, cheaper, and more efficient.

In the tragic Rachel Morin case, the perpetrator was already an international fugitive and was connected to another case. Mittelman argues that had DNA testing been promptly utilized in Los Angeles when the suspect committed another crime, it could have led to quicker identification, possibly preventing Morin’s death.

“Identifying him through DNA cost less than $10,000,” he stated. “That’s almost nothing compared to what detectives usually spend in a month on a case.” It’s sobering to think about how a relatively small investment in technology could make a significant difference in public safety.