Seth Klamann

Immigration reporter

Seth Klamann

Seth Klamann covers politics, immigration and the state house for The Denver Post. A proud Kansas City native and University of Missouri grad, he previously worked for the Colorado Springs Gazette, the Casper Star-Tribune and the Omaha World-Herald. Outside of work, he enjoys watching soccer, going on road trips and eating fried food.

Two of several mailers sent to voters in support of Justine Sandoval, a Democratic candidate in Colorado House District 5 in Denver, by American Future, a vaguely named political action committee. The other side of the larger flyer on the right presents President Donald Trump as "The Problem." (Photo by Jon Murray/The Denver Post)

Quiz: How much do you know about the campaign mailers filling your mailbox?

June 25, 2026 at 7:43 a.m.

In another primary season festooned with mailers and Names From the Shadow Realm, we decided to test readers' ability to identify which interests are paying for these mailers -- and...

House chamber at the Colorado State Capitol in Denver on Thursday, March 5, 2026. (Photo by Hyoung Chang/The Denver Post)

Colorado PAC tied to sports-betting apps spends roughly $1.5 million in legislative races. Why isn鈥檛 always clear.

June 23, 2026 at 10:00 a.m.

Weeks after lawmakers passed new regulations, a Colorado political spending committee funded by DraftKings and FanDuel has dropped more than $1.1 million to influence statehouse primary campaigns.

State Rep. Sean Camacho listens to a speaker during the last day of the legislative session at the Colorado State Capitol Building in Denver on Wednesday, May 13, 2026. The Democratic primary in his reelection race is among those drawing outside spending. (Photo by AAron Ontiveroz/The Denver Post)

Want to know who’s paying for legislative campaign flyers filling Denver mailboxes? Good luck.

June 25, 2026 at 7:43 a.m.

Another Democratic primary in Colorado. Another wave of campaign mailers and attack ads that frequently, as far as the public can tell, emerged from a black hole.

Colorado Republican candidate for governor Victor Marx is backlit by a studio light while speaking with a reporter in the studio where he records his podcast at his campaign headquarters on Thursday, June 4, 2026, in Colorado Springs. (Photo by Timothy Hurst/The Denver Post)

Victor Marx鈥檚 atypical campaign for governor — and sometimes-incredible backstory — makes him a force in GOP primary

June 16, 2026 at 5:22 p.m.

Victor Marx says it doesn't matter if reporters believe him and that he's comfortable with scrutiny of his background, even as it draws incredulity from comedians.

The Colorado State Capitol in Denver on Jan. 13, 2026. (Photo by RJ Sangosti/The Denver Post)

A quick look at the Colorado governor candidates running in this month’s Democratic, Republican primaries

June 16, 2026 at 7:20 p.m.

For the first time since 2018, Democrats and the Republicans have contested races for the top elected office in the state. Here's a rundown on the candidates.

Private prison giant Geo Group sues Colorado over new law requiring more detention center inspections

June 9, 2026 at 9:25 a.m.

Geo Group, the private prison company that operates Colorado's sole immigrant detention center, filed a lawsuit Monday challenging a new state law that requires more regulate inspections of detention facilities...

Workmen from Blue Valley Public Safety, Craig Shockey, left and Shannon O'Brien, right install the first of 56 new outdoor warning sirens on Sept. 25, 2012 at the corner of Green Valley Ranch Blvd. and Genoa Street in Denver. (Photo by Cyrus McCrimmon, The Denver Post)

Denver’s emergency sirens ‘sounded inadvertently’ during Monday storm

June 9, 2026 at 6:15 a.m.

The emergency sirens that echoed throughout Denver during Monday's afternoon thunderstorm were "sounded inadvertently," Denver officials said.

A Frontier Airlines plane comes in for a landing at Denver International Airport on May 19, 2026, in Denver. (Photo by RJ Sangosti/The Denver Post)

Nearly 900 flights delayed at Denver International Airport amid ground delay, thunderstorms

June 8, 2026 at 7:22 p.m.

More than 750 flights at Denver International Airport have been delayed Monday afternoon, as the area braces for severe thunderstorms and large hail.

Larimer County deputies stop modified car doing 130 mph on I-25

June 8, 2026 at 12:46 p.m.

Larimer County sheriff's deputies stopped a modified sedan and arrested its occupants after it was clocked going more than 130 mph down Interstate 25, the sheriff's office said.

Marble-sized hail stones near N. Tower road and 59th Ave near 61st. Ave from a large, overnight hail storm in Denver on Friday, May 31, 2024. (Photo by Andy Cross/The Denver Post)

Colorado weather: 3 tornadoes detected on radar on Eastern Plains, hail falls throughout Denver metro

June 8, 2026 at 7:26 p.m.

Large hail may be headed back to Denver on Monday afternoon.

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Seth Klamann

All Stories

Quiz: How much do you know about the campaign mailers filling your mailbox?

Want to know who’s paying for legislative campaign flyers filling Denver mailboxes? Good luck.

A quick look at the Colorado governor candidates running in this month’s Democratic, Republican primaries

Private prison giant Geo Group sues Colorado over new law requiring more detention center inspections

Nearly 900 flights delayed at Denver International Airport amid ground delay, thunderstorms

Larimer County deputies stop modified car doing 130 mph on I-25

Colorado weather: 3 tornadoes detected on radar on Eastern Plains, hail falls throughout Denver metro