274 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Benjamin Kalina Missing Person Case

Last seen in Superior, Colorado on Feb 14, 2007

Victim Details

Created

Mar 11, 2015

Case Added

Aug 05, 2023

Firstname

Benjamin

Lastname

Kalina

Current Age

Age At Disappearance

Height

71 inches

Weight

220 lbs

Ethnicity

White / Caucasian

Gender

Male

Last Seen

Feb 14, 2007

City

Superior

State

Colorado

County

Boulder County

Zip Code

80027

Agency ID

23840

Agency Name

Northglenn Police Department

Agency City

Northglenn

Agency State

Colorado

Agency County

Adams County

Agency Zip Code

80234

Agency Contact

Agency Address

50 West Community Center Drive, Colorado

Agency Phone

3034508979

Agency Jurisdiction

Local

Agency Website

https://www.northglenn.org/public_safety/police/

Agency Case #

15CN07001007

Agency Report Date

2007-02-15

Primary Agency

Northglenn Police Department

Hair Color

Brown

Left Eye Color

Brown

Right Eye Color

Brown

Last Updated

08/08/2026

Area Last Seen:

Case Description

Any updates on this case? Let us know!

In February 2007, concerns grew for 27-year-old Benjamin 'Ben' Clemens Kalina when he failed to appear for his job and a friend was unable to get in touch with him. This uncharacteristic absence prompted his friend to report him missing, and soon both the Northglenn Police Department and the Boulder County Sheriff's Office in Colorado were involved in the investigation. Kalina was a resident of Superior, a town in Boulder County, from where he was last seen. At the time of his dis ...

MEMBER ACCESS

Continue reading the complete case summary

Unlock the full case narrative for Benjamin Kalina, all available source links, additional videos, and member discussions.

Unlock Full Case Access — $3.97/month

Cancel anytime.
Already a member? Log in

Last Seen: Feb 14, 2007

Links to Additional Sources (3)

See any mistakes? Let us know!

Missing Person / NamUs

Benjamin Kalina - Colorado Cold Case Files - Case Detail

MEMBER ACCESS

Unlock 1 additional source

View the complete collection of available reporting and reference links for this case.

View All Case Sources — $3.97/month

Cancel anytime.
Already a member? Log in

Benjamin Kalina Missing Person Case

Last seen in Superior, Colorado on Feb 14, 2007

Victim Details

Case Description

Continue reading the complete case summary

Links to Additional Sources (3)

Unlock 1 additional source

Latest News

Trial starts in Microsoft exec's murder allegedly hatched by ex-wife

The Disappearance of Joshua Bohlen

MP of the week: Kyla Porter

Tupac Shakur autopsy photos shown at murder trial after some family members leave

The Disappearance of Steven Torres

Why I’ve added Maribel Fresses but not Gabrielle Amarando

Prosecutors say bullet engraving shows Charlie Kirk was shot over his politics

The Disappearance of Ashley James

A missing person with no last name

Police reveal Hayden Panettiere wasn't alone at time of death, had "bag of medication"

Forum Posts (2)

Join the discussion for Benjamin Kalina

Other Missing Cases from Colorado