Laniya Joyce White.Bruce Mason.

CAHOKIA HEIGHTS — Investigators with the Major Case Squad of Greater St. Louis found the body of a woman during the execution of a search warrant connected to a shooting incident in the 3900 block of Walnut Street on Friday, Dec. 12, 2025, authorities said.

Get The Latest News!

Don't miss our top stories and need-to-know news everyday in your inbox.

The woman, identified as 44-year-old Laniya Joyce White of East St. Louis, was discovered inside the residence with apparent gunshot wounds and was pronounced dead at the scene, according to the Major Case Squad.

Article continues after sponsor message

The initial shooting victim, Bruce A. Mason, 67, of Maryville, Illinois, was transported to a hospital but was pronounced deceased, officials confirmed.

At approximately 9:11 p.m. on Dec. 12, 2025, officers from the Cahokia Heights Police Department responded to the 3900 block of Walnut Street in Cahokia Heights, St. Clair County, Illinois, after reports of a shooting.

The Major Case Squad continues to investigate the circumstances surrounding both deaths and is actively following leads and processing evidence. No further details have been released at this time.

Authorities are urging anyone with information related to the case to contact the Major Case Squad Command Post at (618) 337-9507 or Crime Stoppers at 1-866-371-TIPS (8477). Tips may be submitted anonymously. Updates will be posted on the squad’s X (Twitter) account.

Prefer RiverBender on Google
Copyright 2026 Riverbender.com. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

 

More like this:

Major Case Squad Activated: Teen Killed In Cahokia Heights Shooting
Yesterday
Major Case Squad Seeks Tips In Cahokia Heights Killing
Today
Man Killed in Early Morning Pontoon Road Shooting
Yesterday
State Rep. Kevin Schmidt’s Support Helped Clear the Way for New Touchette Regional Hospital in Cahokia Heights  
3 days ago
Man Killed In Illinois Route 157 Cahokia Heights Crash
Jun 25, 2026