in a backyard in watertown. and in the end the man that caused people in the boston area to hide in their homes, he himself was hiding in a small boat. we have exskhraoclusive details. what will happen when the sun comes up in a couple hours, where does the investigation go where you are? >> reporter: john, we can tell you the parameter has been tightening here. they really released a lot of the streets and opened up the streets and the parameter here brings us to right behind me. we can't go beyond this. they are going to go through the area and process evidence and going through the boat, of course, combing through that for evidence, and dusting it and doing all sorts of the things where he was holed up for several hours, and that's going to be a key piece of the investigation. and they are going to be