Defense attorneys in the murder trial of Derek Chauvin called an expert witness who testified that the former Minneapolis police officer was justified and reasonable in his use of force during his arrest of George Floyd . #News #Reuters #GeorgeFloyd #DerekChauvin Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en