Boston Marathon Pictures from Cell Phones- NSFW/Gory

BREAKING PICTURES OF SUSPECT #1 VIA MORGUE

http://yeahitsnews.blogspot.com/2013/04/morgue-pics-tamerlan-tsarnaev-gory.html

Who is this guy on the building (circled in red)?

http://yeahitsnews.blogspot.com/2013/04/mystery-man-on-roof-in-boston-bombing.html