Woman killed in hit-run while trying to save teen

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A man crosses Church road Corperate Blvd Aurorwhere TheresM. Burns 57 was struck killed by car Monday January 21 2013.

A man crosses Church road at Corperate Blvd in Aurora where Theresa M. Burns, 57, was struck and killed by a car on Monday, January 21, 2013. | Brian Powers~Sun-Times Media

The scene Church Road north Corperate Blvd Aurorwhere TheresM. Burns 57 was struck killed Monday January 21 2013. | Brian

The scene on Church Road north of Corperate Blvd in Aurora where Theresa M. Burns, 57, was struck and killed on Monday, January 21, 2013. | Brian Powers~Sun-Times Media

The Northern Illinois Academy Aurorwhere TheresM. Burns 57 was teacher. She was struck killed by car Monday January 21 2013.

The Northern Illinois Academy in Aurora where Theresa M. Burns, 57, was a teacher. She was struck and killed by a car on Monday, January 21, 2013. | Brian Powers~Sun-Times Media

A cross sits scene Church Road north Corporate Blvd Aurorwhere TheresM. Burns 57 was struck killed Monday January 21 2013.

A cross sits at the scene on Church Road north of Corporate Blvd in Aurora where Theresa M. Burns, 57, was struck and killed on Monday, January 21, 2013. | Brian Powers~Sun-Times Media

Greg Zanis adjusts cross he put up scene Church Road north Corporate Blvd Aurorwhere TheresM. Burns 57 was struck killed

Greg Zanis, adjusts a cross he put up at the scene on Church Road north of Corporate Blvd in Aurora where Theresa M. Burns, 57, was struck and killed on Monday, January 21, 2013. | Brian Powers~Sun-Times Media

AURORA — Police are investigating a hit-and-run crash that killed a woman as she tried to rescue a troubled teenager sitting in traffic on an Aurora roadway. The victim, Theresa M. Burns, 57, of the 700 block of South River Road, Des Plaines, was struck …