Bomb Suspects Appear Driven by Religion: Officials But Dzhokhar, Tamerlan Tsarnaev had no apparent ties to Islamic terrorist orgs. By Newser Editors and Wire Services Posted Apr 22, 2013 6:26 PM CDT 85 comments Comments Tamerlan Tsarnaev, 26, left, and Dzhokhar Tsarnaev, 19. (AP Photo/The Lowell Sun & Robin Young, File) (Newser) – The two brothers suspected of bombing the Boston Marathon appear to have been motivated by their religious faith but do not seem connected to any Muslim terrorist groups, US officials said today after interrogating the severely wounded Dzhokhar Tsarnaev. Two US officials said preliminary evidence from an interrogation suggests Dzhokhar and brother Tamerlan were motivated by religion but were apparently not tied to any Islamic terrorist organizations. The officials spoke on condition of anonymity because they were not authorized to publicly discuss the investigation.