WDAY: The News Leader

Published April 24, 2013, 08:58 AM

Did brotherly bond play role in Boston bombings?

NEW YORK (AP) — It's a vexing puzzle about the Boston Marathon bombings: The younger of the two accused brothers hardly seemed headed for a monumental act of violence. How could he team up with his older brother to do this?

By: MALCOLM RITTER,AP Science Writer, Associated Press

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