FBI cagey on death of bombing-connected murder suspect

Susan Zalkind, freelance journalist and close friend of Waltham murder victim Erik Weissman, talks with Rachel Maddow about the unresolved questions, secretive investigations and dubious excuses from federal authorities surrounding the shooting death of a key suspect in an unsolved triple murder in Waltham, Massachusetts believed to have a connection to Boston Marathon bombing suspect Tamerlan Tsarnaev.July 18, 2013