Space & Innovation

Brothers Who Are Terrorists: Why It's Common

Genes primarily affecting males, as well as family environment help explain why so many terrorists and killers are men, including brothers.

Published On 03/23/2016
11:30 AM EDT
Dzhokhar Tsarnaev, above, is being charged for carrying out the bombing at the Boston Marathon with his slain brother, Tamerlan. | Corbis Images