AFTERMATH – Residents of Boston and Watertown grieved amid a heavy police presence until one of the accused Boston Marathon was killed and the other captured.

A tactical police officer gives a thumbs up as he emerges from the site where police captured Boston Marathon bombing suspect Dzhokhar Tsarnaev in Watertown, Massachusetts April 19, 2013. Two explosions hit the Boston Marathon as runners crossed the finish line killing at least three people and injuring over 100 others.