St. Louis Major Case Squad Investigations

MCS Report #813

Classification: Homicide

Requesting Agency: Collinsville Police Department

Date of Activation: 11/08/2023

Commander and Department: Lt. Mark Kuechle, Collinsville Police Department

Deputy Report Officer and Department: Lt. Eric Owen, Collinsville Police Department

Deputy Report Officer and Department: Sgt. Tim Lawrence, Madison County Sheriff's Department

Victim: Tyrese L. Owens

Suspects: Carlos G. Mosley and Amari O. McGee

The Collinsville Police Department requested the assistance of the Major Case Squad in investigating the death of Tyrese Owens (age 21). At approximately 11:00am, officers responded to the area of Loop Street and South Morrison Avenue for a report of a person laying in a ditch. Officers discovered Tyrese with a severe laceration to the chest. He was pronounced dead on scene.

As a result of this investigation, Carlos Mosley (age 23) and Amari McGee (age 22) were each charged with 1st Degree Murder.

"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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