First responders including Carlos Arredondo, in cowboy hat, tend to Jeff Bauman, who was severely wounded after two explosions occurred along the final stretch of theBoston Marathon on Boylston Street in Boston on April 15, 2013. Kelvin Ma/ ... Loved the story about Carlos Arredondo, from Costa Rica. He lost his son .... Were theactors waiting secretly beneath the grandstand ready to pop out and apply the fake blood and attach the prosthetics to just this one guy.