Second update: Columbia Police arrest second suspect in March 4 homicide on Allen Street

Columbia Police arrested Landen Ladaren Jackson, 24, of Columbia, on March 5 for his involvement in the shooting death of William Riechers, 20, of Columbia, on March 4 in the area of Allen and Bryant streets.

Jackson was arrested on charges of second-degree murder, armed criminal action, unlawful possession of a firearm and unlawful use of a weapon.

Columbia Police also arrested Damarius Kavanaugh, 19, of Columbia, earlier on March 5 for his involvement in this homicide.

At approximately 3:48 p.m. on March 4, Columbia Police responded to a shots fired call in the area of Allen and Bryant streets. Officers located Riechers with a gunshot wound and provided emergency medical care. He was pronounced deceased at the scene.

This is an ongoing investigation. Anyone with information about this incident is asked to contact the Columbia Police Department at 573.874.7652. To provide information without leaving your name or number, call CrimeStoppers at 573.875.8477 or visit http://www.p3tips.com/899. If you provide information to CrimeStoppers that leads to an arrest, you may be eligible for a cash reward of up to $2,500.

Case Number 2026-001925

Previous releases

Update: Columbia Police arrest suspect in March 4 homicide on Allen Street

Columbia Police respond to shots fired on Allen Street

Missouri statutes

565.021 - Murder in the second degree

571.015 - Armed criminal action

571.070 - Unlawful possession of a firearm

571.030 - Unlawful use of a weapon

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To serve the public equitably through democratic, transparent and efficient government.