Wednesday night’s fatal crash at Ronald Reagan Washington National Airport involving a commercial airplane and a Black Hawk military helicopter has drawn renewed attention to air traffic controllers and what role they may have played in the accident that is believed to have killed 67 people.

To gain further insight into Wednesday night's tragic crash between an American Airlines flight and a military helicopter, KSHB 41 spoke with a former air traffic controller from Fort Riley.

Democrats previously hit out at the president's federal hiring freeze for hindering the "number one safety issue" in aviation.

When aircraft volume goes down, a supervisor can make the decision to combine two controller positions into one position, which happens routinely, according to a source with direct knowledge.

Retired commercial airline pilot Scott Pattillo and aviation attorney Michael Pearson explain why control systems are at a 'breaking point' on 'The Ingraham Angle.'

A source tells NBC News that, according to a preliminary FAA report, a single air traffic controller was handling both planes and helicopters when the crash occurred. Normally at the D.C. tower at that time of day and for the volume of air traffic,