he is the second of sixf baltimore police officers to gor on trial in the death of freddie gray. prosecutors are proceeding even though they still don't known whether their key witness officer williamsporter will be forced to testify. alexandra limon joins us with more on the upcoming trial. >>reporter: officer good son facing the most serious charges including second degree murder. that charge means he had a reckless disregard for another person's life. some say prosecutors may prove that good son intentionallynten freddie gray a rough ride too teach him a less only it was a 45 minute ride in a baltimore police transport van in which 19 year old freddie gray faced a fatal spinal cord injury and broke a neck. the man behind the wheel at that van will go to trial. prosecutors may go after good son for giving gray a rough ride