Costa Rican Carlos Arredondo has become an international hero following his efforts to help victims of Monday’s Boston Marathon bomb attacks. Here’s a look at the man behind the cowboy hat.
Former Vice President Kevin Casas, secretary of political affairs at the Organization of American States, spoke to 80 municipal police leaders last week at Harvard Law School.
Eight-year-old Martin Richard was killed Monday at the Boston Marathon's finish line. His mother and his younger sister, Jane, were also seriously hurt.
