Investigation underway to 'quickly' determine Black Hawk flight path

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American Airlines plane crash investigation underway | USA TODAY

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DC crash marks 1st US commercial crash in 15 years, investigation underway

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Police investigation underway in east Durham

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Shooting investigation underway in Soulsville

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67 dead in mid-air collision near Washington D.C., investigation underway

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Tragic Plane Crash Near Washington D.C.: 67 Dead | Investigation Underway | News9

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Double homicide investigation underway in Chicago's South Shore

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Criminal investigation underway after bomb threat at Georgetown High School

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Person found dead in bedroom; homicide investigation underway

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Investigation underway as to why plane and copter collided

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NTSB investigation underway into deadly plane crash near Washington, D.C.

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Investigation underway following altercation between a mother and Tuscaloosa police #news #police

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Double homicide investigation underway in Spotsylvania County

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Shooting investigation underway in South Gulf Cove neighborhood

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Homicide investigation underway after body found at cemetery

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Homicide investigation underway in Hope Mills: Deputies

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Investigation underway after vulgar text from Macomb County animal control

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Investigation underway for 2 Army soldiers found dead over New Year’s holiday

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Priest from Massachusetts dies in Spain, investigation underway

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