the defendant, william porter, he is charged with very serious offenses, involuntary manslaughter, second degree assault are the two most serious. they both are ten years maximum in prison and so he could serve at least 20 years if convicted of those two alone. william porter was not there at the beginning of that van ride when freddie gray was arrested and put into the van and began to be transported. he came halfway through when the driver officer goodson radioed in he needed another officer to check on a person they were transporting. that was william port. that's when he came on. here's what prosecutors believe is so important. he said to freddie gray in that van, do you need medical attention? he was aware. he saw something. freddie gray responded yes. william porter communicated that allegedly to the driver of the van and they did not go to the hospital at that point. secondly, according to the probable cause statement, freddie gray is on the floor of