This has all the earmarks of typical jihad savagery. These coordinated bombings were timed to expode at the height of the day to maximize the death toll on Patriot's Day, Israel Independence Day and:
Piers Morgan: NYT reporting 5 bombs - 2 exploded at finish line, 3 found unexploded elsewhere. Plus 6th incident at JFK library: http://t.co/S5rATG8nI1 …
Many have been casting doubt on the New York Post story about this all day. Here is more confirmation. "Live updates: Obama vows 'full weight of justice' in Boston bombing," from the Los Angeles Times, April 15:
A federal law enforcement official said authorities were questioning a Saudi national who was taken to a Boston hospital with injuries. The person was not identified as a suspect.