guilty," that he utter, facing weapons and murder charges. sunny hostin, walk me through what's happening here. >> it's interesting. they're arguing about the preservation of evidence. the defense here is saying, listen, we need access to this evidence. we want to make sure the prosecution and third parties do not get rid of this evidence. that means they're really gearing up to prepare for trial. this is the kind of case, i suspect, that does lead to a trial. you've got a former superstar nfl player facing a first-degree murder charge. that penalty is life -- a life sentence. and so absent some sort of plea deal, and i don't really know what kind of plea deal the government can offer someone like this, accused of this type of heinous crime, they're trying to make sure that they will be ready for trial. >> as i mentioned, because of this arraignment, and now officially this plea, we could have a trial date today, maybe tomorrow, as this thing moves forward in massachusetts.