A 65-year-old injured Tuesday morning in Rockford from aggravated battery has died.
William Sumner was pronounced dead at a Rockford hospital Thursday afternoon. Police say they are now pursuing what was a battery investigation as a homicide investigation.
Investigators say Sumner suffered a head injury as a result of the battery. The incident happened in the 200 block of 7th Street just before 7:30 a.m. Tuesday. Sumner is Rockford's 12th murder victim of 2006.
Anyone with information on the crime is asked to call police or Rockford Area Crime Stoppers at 963-7867.