New video of George Floyd's deadly arrest shown at Chauvin trial

The state called their first witness Monday in the trial of Derek Chauvin: 911 dispatch operator Jena Scurry. Scurry is the one who saw Floyd’s arrest on a city surveillance camera and, for the first time in her career, called police on police, the state said in their opening statement. 

Who is Derek Chauvin?

Derek Chauvin is a former Minneapolis police officer charged with murder in the death of George Floyd.