April 15, 2013, a holiday for the citizens of Boston, that held the Boston Marathon. About 2:45 p.m two pressure cooker bombs exploded near the finish line. It injured 264 people and it killed three people, eight year old, Martin Richard, graduate student from China, Lingzi Lu, and Krystle Campbell. There were two suspects, twenty-six year old Tamerlan Tsarnaev and nineteen year old college student, Dzhokhar Tsarnaev. Tamerlan Tsarnaev was killed in a shoot out at Watertown, however he killed Massachusetts Institute of Technology campus cop, Sean Collier. Dzhokar Tsarnaev was found in a boat at Watertown and was shot in the leg. He went to hospital and now he is currently in jail.