his emotional aunt and uncle in the courtroom, as well. abc's alex perez is in minneapolis. >> reporter: tonight, the four fired minneapolis police officers accused in the murder of george floyd in court. derek chauvin, seen with his knee on floyd and charged with second degree murder, appearing via video. the others charged with aiding and abetting chauvin. tou thao, seen holding the crowd of bystanders back, in custody and appearing in person. also in the courtroom, rookie cops j. alexander kueng and thomas lane, both out on bail. watching from the gallery, george floyd's aunt and uncle. >> i'm sitting six feet from the dude that just killed my nephew. >> justice for him is justice for all. >> reporter: the judge today admonishing both sides, instructing them to limit pretrial publicity and argue this case in court, not the media. the former officers have not yet entered pleas, but court documents show j. alexander kueng intends to plead not