FBI issues photos of 2 suspects in Boston bombing - Article Photos 38/43

Nursing students Katie Robinson, left, and Megan Beach listen to a broadcast on their phones from outside an interfaith service attended by President Barack Obama at the Cathedral of the Holy Cross, held in the wake of Monday's Boston Marathon explosions, which killed at least three and injured more than 140, Thursday, April 18, 2013, in Boston. (AP Photo/Matt Rourke)