St. Louis Major Case Squad Investigations

MCS Report #29

Classification: Homicide

Requesting Agency: Jefferson County Sheriff’s Department

Date of Activation: 09/15/1974

Commander and Department: Capt. Harry Slaten, Jennings PD

Victims: Robert Arthur Langsdorf and Madonna Lakebrink

Suspect: Gleen Ray Menser

The Jefferson County Sheriff’s Department requested the assistance of the Major Case Squad in investigating the deaths of Robert Langsdorf (age 21) and Madonna Lakebrink (age 18). At approximately 7:30am, deputies responded to the area of Allen Road just south of Winter Park for a report of a car with blood on it and a man lying in the ditch. There deputies located Robert Langsdorf with his hands tied behind his back and Madonna Lakebrink on the ground outside their vehicle. They had both been shot and stabbed and were pronounced dead on scene.

As a result of this investigation, Gleen Menser (age 19) was charged with two counts of Murder 1st Degree.

"Squad Membership is Regarded Not Only as a Honor, but as an Opportunity. It is Police Work at its Purest."

- St. Louis Post-Dispatch Sunday, March 7, 1982

MAJOR CASE SQUAD OF GREATER ST. LOUIS
1700 N Hwy 67
Florissant, Missouri 63031
(314) 831-7000
ST. LOUIS REGIONAL CRIMESTOPPERS
1-866-371-TIPS (8477)Visit Site
The Major Case Squad of Greater St. Louis is a 501(c)(3) nonprofit organization supporting multi-agency homicide investigations across the St. Louis region.
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