George Floyd's Accused Murderer Hit with 2nd-Degree Murder, Other 3 Cops Charged with Aiding and Abetting

The 3 officers who stood by as Derek Chauvin killed George Floyd have all been arrested and charged with crimes, and Chauvin now faces a 2nd-degree murder charge. As for the 3 officers -- Thomas Lane, J. Alexander Keung and Tou Thao -- they've all…