About the key, and you brought up the similar kind of investigation in the world trade center bombing with the axle and the serial number. the a-ha moment that brought them to the rental vehicle and to him and helped thread a lot of this together. so, that is an important point to be made in this investigation. the good investigative, on the ground, hard work. john: there was more a-ha left on the train yesterday than the old swedish band from the 1980s. he left the key, he left the satchel that had the fireworks and the smoke grenades, they were able to trace back to the fireworks supplier where he allegedly bought those fireworks in the summer of 2021. so, they had a tremendous amount of information to go by here, chris. they did have a lot of good information to go on. at the end of the day as we see here and perhaps we ll know more in a few minutes at the press