Animal DNA Gives Investigators New Leads In Solving Murder Cases, Dog Droppings

SACRAMENTO (CBS13) — Pets are helping solve real crimes in a science that’s slowly gaining traction in the crime-scene investigation community, and was used in a high-profile murder trial in Sacramento.

On an early December morning, just weeks before Christmas, a couple preparing to leave their Natomas home for work instead took in their final breaths.

Eric Beasley remembers his neighbors, Steven and Linda Riley.

“Very, very friendly,” he said. “They would come out pretty much every night and walk the dogs, stop and talk to all neighbors.”

The Rileys, both in their 50s, were stabbed several times. Their bodies were discovered after they failed to show up for their state jobs.

“There were a lot of people upset, left candles on their porch,” Beasley said.

While the crime scene had blood everywhere, there was no blood from any suspect.

Their family had no idea who could ever do this, and neither did police.

But investigators would eventually focus their attention on the couple’s son, Matthew.

Family members couldn’t believe it, but Sacramento Deputy District Attorney Chris Ore believed it. Ore would, for the first time in Sacramento County, use evidence from a cutting-edge crime-fighting technique to prove it

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