A Chicago-based law firm has filed what appears to be the first legal claims against the federal government after the deadly mid-air crash last month in Washington, D.C.Clifford Law Offices represents the family of Casey Crafton,

The filings over the collision of an American Airlines plane and an Army helicopter last month appear to be the first such claim and signal the start of a long legal fight.

The wife of a Connecticut man who died in last month’s collision between a passenger jet and a military helicopter in Washington, D