 The Secret Service director suggesting that the shape of the roof played a role. And so, you know, there's a safety factor that would be considered there, that we wouldn't want to put somebody up on a sloped roof. And so, you know, the decision was made to secure the building from inside. Investigators now revealing they found a remote transmitter in the suspect's pocket that may have been intended to set off suspicious devices found in his car. Perry Russom, ABC News, Milwaukee.