“As he got older, the voice became more authoritative, its bidding more insistent. Tamerlan confided in a close friend that the voice had begun to issue orders and to require him to perform certain acts, though he never told his friend specifically what those acts were.” Following a five month investigation, the Boston Globe provides and in-depth look at the dysfunctional family that produced the worst act of terrorism in Boston history: The Fall of the House of Tsarnaev.