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Case Description
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According to the Boulder County Sheriff's Office, Kienzle's vehicle was found with "windows down", reportedly "in the middle of the road" Friday, abandoned in the Pine Brook Hills area off Wild Horse Circle near Linden Drive in north Boulder, and has since been impounded. He was supposed to have plans in Fort Collins on Friday but never arrived. A missing persons report has been filed with the Denver Police Department.
Last Seen: Feb 19, 2016
Victim Details

Feb 26, 2016

Jul 21, 2023

Seth

Kienzle

35

26

67 inches

69 inches

165 lbs

190 lbs

White / Caucasian

Male

Feb 19, 2016

Boulder

Colorado

Boulder County

273

24600

Denver Police Department

Denver

Colorado

Denver County

80204

Ted Binet

Detective

1331 Cherokee Street, Colorado

7209132000

Local

Law Enforcement

2016-5000649

Denver Police Department

Blond/Strawberry

Hazel

Hazel

11/28/2025


Area Last Seen: