text: Officer William Porter, one of six Baltimore city police officers charged in connection to the death of Freddie Gray, leaves the courthouse after testifying in the trial of Officer Caesar Goodson, Monday, June 13, 2016, in Baltimore. Goodson, the wagon driver facing second-degree murder, manslaughter and other charges stemming from the death of Freddie Gray. Porter's trial in the Gray case ended in mistrial. He will be tried again in September. (AP Photo/Jose Luis Magana