Julius Barnes, 34, was fatally shot on May 2, 2021, in the Humboldt Park neighborhood of Chicago. Barnes worked as a security guard for the New Greater St. John MB Church and was off duty when he was shot multiple times; authorities ruled his death a homicide.

Investigators say Barnes was staying with 25-year-old James Moore at the time. Police report the two became involved in a dispute that allegedly began over a dog and escalated into a deadly confrontation. Moore was arrested and charged with murder; he told police he acted in self-defense.

Barnes had a well-documented past: in 1973 he was convicted in the murder of George Jayne and served 15 years in prison before his release. Family and friends remembered him as a dedicated security guard and a complex figure.

Did anyone in Humboldt Park see or hear anything about an argument at the address on May 2, 2021?