CHICAGO (WLS) -- Chicago police commander Paul Bauer's widow has filed a lawsuit against the gun website that sold the firearm that killed her husband.
Commander Bauer was shot and killed in a stairwell outside the Thompson Center nearly two years ago.
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His widow Erin Bauer filed a lawsuit Wednesday against Arms List, one of the nation's largest online gun marketplaces.
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The lawsuit accuses the site of selling guns without background checks.
Arms List has not yet commented on the lawsuit.