Yesterday, Twitchy posted some dramatic cell phone video of a standoff between a police officer and a woman allegedly brandishing a knife and refusing orders to drop it. The camera cut away just as a single gunshot was heard, leading many to believe the woman had been killed.

As it turns out, she had been shot in the shoulder and was reported taken to the hospital and treated for her injuries.

Some wondered why the police officer would use deadly force against one woman with a knife.

Emily Miller, chief investigative reporter for Fox 5 News in Washington, D.C., and author of “Emily Gets Her Gun,” asked her followers for help explaining why the cop wouldn’t just shoot the knife out of her hand.

Milwaukee Co. Sheriff David A. Clarke has his hand up.

The best answer by far: