He told a news conference that diversity hiring efforts at the Federal Aviation Administration may have led to safety issues.
With officials saying no one has survived the crash, efforts have since shifted to recovering bodies in Potomac River.
Latest news and live updates after an American Airline jet collided with a Black Hawk helicopter over the Potomac River.
A deadly midair collision between an American Airlines jet and an Army helicopter near the nation's capital is bringing ...
A timeline of the Washington, D.C., plane crash on Jan. 29 details the moments before and after an American Airlines ...
Upon first approach, Republic Airways Flight 4514 diverts from course, circles around, and lands during a second attempt at ...
An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National ...
How an Army Black Hawk helicopter collided into an American Airlines jetliner in a deadly crash over the Potomac River ...