DENVER (KDVR) — Denver Public Schools is rolling out a new layer of protection for students, specially trained K-9s. They can sniff out guns at school events before a threat ever emerges.

"The dogs are incredibly smart, and they're able to detect those micro particles, the gunshot residues, those things associated with handguns. So there is definitely the ability to detect. But also in a preventative way as well," said Chief of Climate and Safety at DPS Gregory Casey.

Vivian is a Labrador Retriever with years of experience at major sporting events and concerts.

Now, she's bringing those skills to schools.

"We started off at the Super Bowl in LA," said Bob Lovelace with K2K9. "She's got four Super Bowls, four drafts, some combines, all that kind of good stuff under her belt. She's done

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