Maurice Graves, 30, sits in custody on a first-degree murder charge linked to Dionna “Dee” Causey’s death in Peoria. Detectives named him a suspect after digging into the case. That led the Peoria County State’s Attorney’s Office to issue the arrest warrant.
Thursday, October 15, 2026, Peoria police detectives worked with the U.S. Marshals Service. They tracked Graves down at a residence in Milwaukee, Wisconsin. Officers took him into custody smooth and easy. Peoria detectives questioned him right after, then locked him up.

Plenty of details stay under wraps. Police have not shared how Graves connected to Dee or what set off the shooting. Investigators keep working the case.
The arrest does not change the hard truth for Dee’s five children. They lost their mom and face tough days ahead. Nothing brings her back or fills the empty space she left.
Dee’s family sees this as one move toward accountability. They hope the courts dig out the real story. Graves is presumed innocent unless proven guilty.
People who knew Dee talk about the mother she was to those five kids. The loss cut deep and stays with them. This case still has open questions that need answers.
The focus stays on getting the facts straight in court. Justice for Dionna “Dee” Causey drives the next steps.
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