An 87-year-old woman carried a knife outside to cut dandelions. Police Tasered her. -- The Washington Post

...“In my opinion, it was the lowest use of force we could have used to simply stop that threat at the time,” Etheridge told the Daily Citizen-News. “And I know everyone is going to say, ‘An 87-year-old woman? How big a threat can she be?’ She still had a knife. ... An 87-year-old woman with a knife still has the ability to hurt an officer.”...

https://www.washingtonpost.com/nation/2018/08/17/an-year-old-woman-carried-knife-outside-cut-dandelions-police-tasered-her/