St. Louis Major Case Squad Investigations

MCS Report #666

Classification: Homicide

Requesting Agency: Bridgeton Police Department

Date of Activation: 04/28/2018

Commander and Department: Capt. Michael Thompson, Chesterfield PD

Deputy Report Officer and Department: Det. Ryan Dickherber, Bridgeton PD

Deputy Report Officer and Department: Sgt. Mark Pounders, Florissant PD

Victim: Leroy D. Allen

Suspects: Sean Clemon, Dominque Maxwell, Perry Harris, and Frank Smith

The Bridgeton Police Department requested the assistance of the Major Case Squad in investigating the death of Leroy Allen. Just after 6:00pm, police received a call of shots fired in Matthews Park, located on Ayrshire Drive. Leroy Allen (age 37) was found inside the park deceased from gunshot wounds. Another man (age 42) was also found in the park with non-life-threatening injuries. A third man (age 39) later walked into an emergency room with non-life-threatening injuries from that shooting. There had been a large gathering at Matthew's Park prior to the shooting.

With the assistance of this investigation, it was determined Leroy Allen was killed as part of a leadership dispute at a Gangster Disciples meeting. Federal criminal charges were brought against the following individuals in Leroy’s death:

  • Sean Clemon (age 50)

  • Dominque Maxwell (age 28)

  • Perry Harris (age 29)

  • Frank Smith (age 47)

Major Case Squad Press Releases

"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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