The family of one of the 67 people killed when an airliner collided with an Army helicopter over Washington, D.C., on Wednesday sued the government and the airlines involved.

Other families are expected to join this first lawsuit that seeks to hold the Federal Aviation Administration, the Army, American Airlines and its regional partner, PSA Airlines, accountable for the deadliest U.S. plane crash since 2001. PSA Airlines operated Flight 5342 that crashed Jan. 29.

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The widow of Casey Crafton from Connecticut, who is raising three young boys without her husband, filed the lawsuit. Her lawyers also represent the majority of the families of people who died in the crash.

The National Transportation Safety Board has

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