Cook County State's Attorney Anita Alvarez backed another proposal in the General Assembly.
Mayor Rahm Emanuel joined with his top cop and the state's attorney to form the task force.
Officer Alejandro Vadadez was slain by the people he was trying to protect, prosecutors said.
The National Organization of Black Law Enforcement Executives will host as part of its winter symposium.
The Chicago Fur Outlet's owner cited his wife's death, a bad economy and warm winters for the downfall.
Cortez Foster, 47, was sentenced to natural life plus seven years Thursday.
Part 2 of 2: Rodnell Dennis tells how the gang trap cost him his youth, and a 9-year-old his life.
Demonstrators protested State's Attorney Anita Alvarez's decision not to prosecute Gildardo Sierra.
Emanuel is asking aldermen to support his push for longer prison terms for gun crimes.
State's Attorney Anita Alvarez personally prosecuted the two men in the cop killer case.
Top prosecutor Anita Alvarez is personally prosecuting the 2009 murder of Alejandro "Alex" Valadez.
Charges were dismissed in a 2004 Wrigleyville murder and a 1990 Daley Center rape.
Julius Anderson, 63, was sentenced to 75 years in prison for the attacks.
Sherry Hartison was sentenced Tuesday to 45 years in prison for the 2010 murder.
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