investigation. investigis tt we're learning more about a second car, the green honda that the suspects were also spotted in during that day of the manhunt and the car that certainly police say was used during the shooting that ended up killing the cambridge m.i.t. officer sean collier. now, state police, massachusetts state police, re-enacted the green car. they brought it back to cambridge in that area and we're also learning more about the devices themselves, the bombs, and just how they were made. federal authorities moved the boat from the driveway and watertown home a week after a manhunt and shootout ended with dzhokhar tsarnaev being spotted hiding under the boat's tarp. >> we were able to look right through the plastic as if it wasn't even there. >> the 19-year-old was also moved to ft. devon, a high security medical prison outside