There was a bombing in Oklahoma state in 1995 on April 19th, 18 years before the bombing in Boston. There were several different attacks like truck bombing, domestic terrorism, and murder. it caused 168 deaths and 680 non-fatal injuries. The bombing of Boston was a very tragic day for many people. The bombing killed 3 spectators, 1 police officer, and I suspect from the shooting. They all happen different timing. One was on April 15th, 2013, 2:49 p.m. the second one was April 18th, 2013, 8:42 p.m. The reason why it happened so long was they couldn't find the bombers. This was a very scary week for Boston to deal with. They found the bombers on April 19th at 7:00 p.m. and one of the guys were captured then the other was deceased (killed). The people who did the bombings were Timothy McVeigh and Terry Nichols. the motives were Ruby Ridge and Waco Sieges. They burned 86 cars, blasted (damaged) 324 buildings, and shattered glass in 258 near by buildings. Timothy and Terry caused at least $652 million worth of damage. Timothy was sent to life prison and Terry was killed. After that crazy month there has never been a big attack group like that since.