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How K-9 officers learn to sniff out trouble

Marielle Mohs shows how trainers teach dogs to identify explosive powders.

Jul 13, 2022 (01:55)

Tyler Bass, Republican candidate for U.S. House District 3 | WCCO 2026 Midterm Election Guide

Tyler Bass, Republican candidate for U.S. House District 3 | WCCO 2026 Midterm Election Guide

One person unaccounted for in Twin Cities house fires

One person unaccounted for in Twin Cities house fires

Meet Trina Swanson, candidate for U.S. House District 8 | WCCO 2026 Midterm Election Guide

Meet Trina Swanson, candidate for U.S. House District 8 | WCCO 2026 Midterm Election Guide

Meet Erik Osberg, candidate for U.S. House District 7 | WCCO 2026 Midterm Election Guide

Meet Erik Osberg, candidate for U.S. House District 7 | WCCO 2026 Midterm Election Guide

Meet Doug Chapin, candidate for U.S. House District 6 | WCCO 2026 Midterm Election Guide

Meet Doug Chapin, candidate for U.S. House District 6 | WCCO 2026 Midterm Election Guide

Meet John Nagel, candidate for U.S. House District 5 | WCCO 2026 Midterm Election Guide

Meet John Nagel, candidate for U.S. House District 5 | WCCO 2026 Midterm Election Guide

Meet Kelly Morrison, candidate for U.S. House District 3 | WCCO 2026 Midterm Election Guide

Meet Kelly Morrison, candidate for U.S. House District 3 | WCCO 2026 Midterm Election Guide

Meet Eric Pratt, candidate for U.S. House District 2 | WCCO 2026 Midterm Election Guide

Meet Eric Pratt, candidate for U.S. House District 2 | WCCO 2026 Midterm Election Guide

Meet Jake Johnson, candidate for U.S. House District 1 | WCCO 2026 Midterm Election Guide

Meet Jake Johnson, candidate for U.S. House District 1 | WCCO 2026 Midterm Election Guide

Meet Michele Tafoya, candidate for U.S. Senate in Minnesota | WCCO 2026 Midterm Election Guide

Meet Michele Tafoya, candidate for U.S. Senate in Minnesota | WCCO 2026 Midterm Election Guide

New free guide maps 150+ new-construction neighborhoods across the Twin Cities

New free guide maps 150+ new-construction neighborhoods across the Twin Cities

Walking into the Living Room feels “like walking into somebody’s home,” staff say

Walking into the Living Room feels “like walking into somebody’s home,” staff say

Minnesota’s $3 million estate tax threshold catches more families than the federal one, advisor sa

Minnesota’s $3 million estate tax threshold catches more families than the federal one, advisor sa

Minnesota’s first widespread freeze could arrive Saturday morning | Oct. 13, 2026

Minnesota’s first widespread freeze could arrive Saturday morning | Oct. 13, 2026

Meet Amy Klobuchar, candidate for Minnesota governor | WCCO 2026 Midterm Election Guide

Meet Amy Klobuchar, candidate for Minnesota governor | WCCO 2026 Midterm Election Guide

Meet Lisa Demuth, candidate for Minnesota governor | WCCO 2026 Midterm Election Guide

Meet Lisa Demuth, candidate for Minnesota governor | WCCO 2026 Midterm Election Guide

Meet Peggy Flanagan, candidate for U.S. Senate in Minnesota | WCCO 2026 Midterm Election Guide

Meet Peggy Flanagan, candidate for U.S. Senate in Minnesota | WCCO 2026 Midterm Election Guide

Crews battle structure fire in Victoria neighborhood, city officials say

Crews battle structure fire in Victoria neighborhood, city officials say

Evergreen Collective helps customers make small, eco-friendly swaps

Evergreen Collective helps customers make small, eco-friendly swaps

Minneapolis data center moratorium set to expire, and more headlines

Minneapolis data center moratorium set to expire, and more headlines

Minneapolis school board to hold community meeting amid possible closures

Minneapolis school board to hold community meeting amid possible closures

NEXT Weather: 6 a.m. report for Minnesota on Oct. 13, 2026

NEXT Weather: 6 a.m. report for Minnesota on Oct. 13, 2026

10 p.m. Minnesota forecast from Oct. 12, 2026 | NEXT Weather

10 p.m. Minnesota forecast from Oct. 12, 2026 | NEXT Weather

Transportation official details whether speed cameras make drivers slow down

Transportation official details whether speed cameras make drivers slow down

Powwow honors Indigenous Peoples Day in Minneapolis

Powwow honors Indigenous Peoples Day in Minneapolis

How a Minneapolis man is raising awareness of car break-ins

How a Minneapolis man is raising awareness of car break-ins

Supporters of Rep. Ilhan Omar rally in Minneapolis after feds search her home

Supporters of Rep. Ilhan Omar rally in Minneapolis after feds search her home

6 p.m. Minnesota forecast from Oct. 12, 2026 | NEXT Weather

6 p.m. Minnesota forecast from Oct. 12, 2026 | NEXT Weather

What to know about Medicare plan cuts

What to know about Medicare plan cuts

Family sues Twin Cities recycling plant over children's blood lead levels

Family sues Twin Cities recycling plant over children's blood lead levels

4 charged with riot in Eden Prairie homecoming shooting

4 charged with riot in Eden Prairie homecoming shooting

Pickleball growing in popularity among Twin Cities women

Pickleball growing in popularity among Twin Cities women

NEXT Weather: 5 p.m. report on Oct. 12, 2026

NEXT Weather: 5 p.m. report on Oct. 12, 2026

State’s largest Dakota language archives could be lost after fire

State’s largest Dakota language archives could be lost after fire

Homeland Security raids Rep. Omar’s home over immigration documents, sources say

Homeland Security raids Rep. Omar’s home over immigration documents, sources say

100 years later, the real story behind Winnie the Pooh traces back to a WWI soldier’s $20 bear

100 years later, the real story behind Winnie the Pooh traces back to a WWI soldier’s $20 bear

Interest rates over 7.5% are freezing Minnesota’s open housing market, real estate agent says

Interest rates over 7.5% are freezing Minnesota’s open housing market, real estate agent says

FBI raids Rep. Ilhan Omar’s DC home while her family was there, agents carry out boxes

FBI raids Rep. Ilhan Omar’s DC home while her family was there, agents carry out boxes

The 30-30-3 rule: a sleep specialist’s simple test for when insomnia needs treatment

The 30-30-3 rule: a sleep specialist’s simple test for when insomnia needs treatment

Grand Casino Arena seeks Minnesota artist to paint its first public mural

Grand Casino Arena seeks Minnesota artist to paint its first public mural

Minnesota cools toward average this week, with frost possible by Saturday | Oct. 12, 2026

Minnesota cools toward average this week, with frost possible by Saturday | Oct. 12, 2026

WCCO digital headlines: Afternoon of Oct. 12, 2026

WCCO digital headlines: Afternoon of Oct. 12, 2026

NEXT Weather: Noon report for Minnesota on Oct. 12, 2026

NEXT Weather: Noon report for Minnesota on Oct. 12, 2026

Rep. Ilhan Omar says "I will not be silenced" amid federal raid

Rep. Ilhan Omar says "I will not be silenced" amid federal raid

Dirty sodas are having a moment during Sober October, New Hope company says

Dirty sodas are having a moment during Sober October, New Hope company says

Girls on the Run Minnesota builds confidence for girls 8 to 14 through running

Girls on the Run Minnesota builds confidence for girls 8 to 14 through running

“We can’t give up”: New children’s book inspired by Operation Metro Surge

“We can’t give up”: New children’s book inspired by Operation Metro Surge

After near-record warmth Monday, Minnesota temperatures fall into the 50s | Oct. 12, 2026

After near-record warmth Monday, Minnesota temperatures fall into the 50s | Oct. 12, 2026

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