Chavonne Brown and Sterling Sims were found shot to death in a home in the Back of the Yards neighborhood. (Photos taken from Facebook)

Chavonne Brown and Sterling Sims were found shot to death in a home in the Back of the Yards neighborhood. (Photos taken from Facebook)

CHICAGO (STMW) — A second man has been charged in connection with the June murder of a mother and her 5-year-old son last June.

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Larry Cox, 28, was charged with two counts of first-degree murder in connection with the shooting deaths of 31-year-old Chavonne Brown and her son, Sterling Sims, police said. Cox, of the 1400 block of West 85th Street, was also charged with violating parole.

Larry Cox (Credit: Chicago Police)

Larry Cox (Credit: Chicago Police)

Brown and her son were shot to death in their home in the 5300 block of South Winchester Avenue on June 28.

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Cox is scheduled to appear in bond court Sunday.

On Aug. 2, 18-year-old Antonio Lewis was charged with two counts of first-degree murder and one count of attempted first-degree murder in connection with the two murders. Lewis attempted to shoot Brown’s second son, an 11-year-old, but his weapon malfunctioned, police said.

Lewis was shot later that day and remains hospitalized.

Antonio Lewis, 18, is accused of killing 31-year-old Chavonne Brown and her 5-year-old son, Sterling Sims. (Credit: Chicago Police)

Antonio Lewis, 18, is accused of killing 31-year-old Chavonne Brown and her 5-year-old son, Sterling Sims. (Credit: Chicago Police)

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(Source: Sun-Times Media Wire © Chicago Sun-Times 2013. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)