(CBS) — A man suspected of killing three people in a shooting rampage in a suburb of Atlanta might be headed to Chicago, police said.

CBS Atlanta reports Bell is suspected of shooting 34-year-old Angelina Benton; her 12-year-old son, Joseph McDonald; her 23-year-old boyfriend, Justin Cato; and a 19-year-old family friend, Raynard Daniel, inside a home in Snellville, Ga., about 25 miles northeast of Atlanta.

Benton, McDonald, and Daniel were killed. Cato survived.

Police said Bell might be traveling to southern Georgia, Tennessee, or Chicago.

Detectives said they don’t yet know Bell’s motive for the shootings.

Anyone with information should contact Gwinnett County homicide unit detectives at 770-513-5300.

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