Sep 30, 2025

Prison for the death of 21-year-old Kansas man

Posted Sep 30, 2025 2:00 AM
GUERRERO photo Johnson COunty
GUERRERO photo Johnson COunty

JOHNSON COUNTY –A Kansas man is going to prison for killing a man near a Kansas middle school.

On September 25, a judge sentenced 25-year-old Armando Javier Guerrero  to 55 months in the Kansas Department of Corrections for the shooting death of 21-year-old Landen Roggenkamp in March, according to the Johnson County District Attorney's office. Guerrero entered a guilty plea last month to the voluntary manslaughter charge.

Landen Roggenkamp -photo GoFundMe
Landen Roggenkamp -photo GoFundMe

On March 25,  police responded to a shooting in the 1400 block of East Mart-Way Circle in Olathe. The location is less than a quarter of a mile from Santa Fe Trail Middle School.

First responders found Roggenkamp with multiple wounds, according to a statement from police. EMS transported him to a local hospital where he was was pronounced deceased.

The Olathe Police Department took Guerrero into custody, and officers said they believed he and Roggenkamp knew each other.