William Maurice Kemper, a 43-year-old Black man, was killed in Saint-Louis, Missouri, on March 9, 2018. The circumstances reported indicate a robbery that escalated into a fatal violent crime.

Saint Louis police opened an investigation into the robbery and Kemper’s death. Several suspects were identified and arrested, and the matter progressed into a criminal trial with multiple charges described in reporting. The case moved through the legal system as prosecutors presented evidence and witnesses during the trial.

If anyone knew William Kemper, saw activity near the scene on March 9, 2018, or has information that could clarify what happened, please share what you know.