Newly discovered footage shows chief executive Wayne LaPierre firing four shots at the animal before someone else takes over and finishes the kill.
"Thank God I'm safe, nobody can get me here," LaPierre recalled thinking after he fled to a private yacht in the wake of the shootings.
Joshua Powell, former second in command at the National Rifle Association, said the gun group caters "to the extreme fringe."
"The NRA is fraught with fraud and abuse," state Attorney General Letitia James said in a statement.
The embattled gun group is planning for layoffs and a 20% cut in salaries, chief executive Wayne LaPierre told board members.
The same day a Senate committee report came out saying the National Rifle Association was a "foreign asset" to Russia, Trump sought the gun group's advice.
The Democratic presidential candidate was describing the way the president blusters about the National Rifle Association.
The president’s motivation to pass stricter rules in the wake of mass shootings in El Paso, Texas, and Dayton, Ohio, faded after a conversation with NRA CEO Wayne LaPierre.
The NRA said that it spoke to the president and that he's a "strong" Second Amendment advocate.
The notorious gun group is being crushed by its own financial mismanagement and legal woes.