passengers and eight crew collided with a freight train. as a result, two are dead, more than 50 injured. the train was traveling between new york and miami when they collided this morning about 2:30 eastern. authorities will be holding a news conference shortly and we will keep you posted on the latest. that's all for now. stay with us. now back to "dateline." ♪ welcome back to "dateline." i'm craig melvin. investigators deny they framed steven avery for the murder of teresa halbach. after all, his nephew brendan confessed but did he tell detectives the truth or what he thought they wanted to hear. here with more of our story is andrea cannon. >> all the renewed attention in the steven avery saga has shed light on the other defendant in the case, brendan dassey. the teenager had been convicted