Two airport employees have been arrested after police say they illegally obtained footage of the collision between an American Airlines jet and a Black Hawk helicopter last week in Washington, D.C. Employees Mohamed Lamine Mbengue, 21, and Jonathan Savoy, 45, were arrested and charged with computer trespass after allegedly making unauthorized copies of the footage, the Metropolitan Washington Airports Authority Police said. ABC News reports the arrests were made in connection with exclusive footage aired by CNN. The footage showed the jet and helicopter colliding mid-air before exploding into flames and falling into the Potomac River. Mbengue was charged…..