https://newsone.com/4036680/derek-chauvin-murder-charges-upheld-george-floyd-killing/<br /><br />A judge on Thursday upheld the most serious murder charge against Derek Chauvin, .<br />the now-fired Minneapolis police officer who used his knee to apply deadly pressure to George Floyd‘s neck earlier this year.<br />However, the judge also dropped the third-degree murder charge against Chauvin on a legal technicality that.<br />local officials feared could result in further unrest over the egregious police killing on Mem orial Day