isn there a day in april in usa where lots of bad things have happened recently?
1993: Waco siege.4 killed. David Koresh
1995: Oklahoma City bombings. 168 killed. Timothy McVeigh, Terry Nichols.
1999: Columbine(Colorado) school shootings. 13 killed. Dylan Klebold, Eric Harris.
2007: Virgina Tech University shootings. 32 killed. Seung-Hui Cho.
2013: Boston marathon bombings. 3 killed. Tsarnaev brothers.