2 charged in Hadiya's killing

Two reputed gang members were out for revenge from a previous shooting when they opened fire on a group of students in a South Side park last month, killing 15-year-old Hadiya Pendleton in a heartbreaking case that has brought national attention to Chicago's rampant gun violence, police said.

By Jason Meisner and Jeremy Gorner, Chicago Tribune reporters

February 12, 2013