(CBS News) CHICAGO - Jesse Jackson is calling on President Obama to come to Chicago to confront the city's gun crisis. On Saturday, Jackson led marchers to the park where a 15-year-old girl was shot to death this week, a mile from the president's Chicago home. The police say she was likely the a victim of a gang turf war. We learn why gang-related murders have become so difficult to solve.
For almost seven years, Pam and Tom Bosley have been hoping for a measure of justice.
"My son Terrell was murdered April 4, 2006," said Pam.
But no one has paid a price except Terrell's family.
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