OLATHE, Kan. (KCTV) - An Olathe man pleaded guilty Monday in a voluntary manslaughter case.

Armando Javier Guerrero pled guilty to one count of voluntary manslaughter in the case related to the death of Landen Roggenkamp.

Law enforcement responded to a shooting in the 1400 block of East Mart-Way Circle and found Roggenkamp with “multiple wounds,” on March 29, 2025.

He was taken to the hospital, where he died of his injuries. Olathe Police took Guerrero into custody and officers said they believed he and Roggenkamp knew each other.

The Johnson County District Attorney’s Office said Guerrero’s sentencing has been set for Sept. 25, 2025.

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