Porter, who is black, is the first of six Baltimore police officers to go on trial in connection with Gray's death. The jury that will judge him reflects the city's population, with eight blacks and four whites.
Although Porter's trial isn't being televised or tweeted live, it will beclosely followed over the next two weeks. Judge Barry Williams has said he expects a verdict by December 17.
READ MORE/HEAR MOREhttp://www.cnn.com/2015/12/02/us/baltimore-police-trial-freddie-gray/