had said that it hoped to use him as a witness and that s why they had wanted to call him first. reporter: and they could grant porter immunity, forcing him to testify against his fellow officers but he said the likely option is a post ponement of the it rest of the trials and the final decision will have to be made by the judge. until then, the people of baltimore are left watching, waiting and worried that peace could be broken again. and so one of the big questions that s looming is whether or not there will be a change in venus for the other trials moving forward for the vi six other officers. we have to look back at the latest trial proceedings because the reality is the judge is very specific about making sure that the momentum continues with this case. over and over he s denied