The man the got out after and shot her multiple times.
Authorities say a man gunned down a woman believed to be his wife during an argument early Wednesday on a major Chicago expressway before he shot and killed himself.
Pena then got out of his vehicle while it was still running to chase after Fischer, firing several gunshots at her, police said.
Police said the incident appeared to be a domestic-related murder-suicide.
A shooting that left two people dead and shut down eastbound lanes of the Chicago Skyway during morning rush hour was an apparent murder-suicide, authorities said.
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After the convicts left in the couple's black Jeep Cherokee vehicle , the man and woman managed to escape and call police. Sills said Dubose and Rowe face charges in three Tennessee counties and were sent to that state's Rutherford County jail.
Chicago police said a vehicle was headed east on the Skyway near the toll plaza at 88th Street shortly after 4 a.m., when 49-year-old Lisa Fischer jumped out and began running away.
According to the company which manages the tollway, the man and the woman were both in the auto before the shooting took place. Their identities have not been released. She is expected to be OK.
Eastbound Skyway lanes were closed in the morning, police said, but they were open by 9:45 a.m.
The shooting took place at 88th and the Skyway going eastbound. The closure was not expected to be over until about 11 a.m., according to official IDOT traffic information.