+10

Deadliest mass shootings on US soil in the last twenty years: Mandalay Bay, Las Vegas (2017): At least 58 killed by US citizen; Orlando on June 12, 2016. 49 killed by US citizen; Virginia Tech University in April 2007, 32 killed by Korean; Sandy Hook (2012): 26 killed ny US citizen; Texas restaurant (1991): 22 killed US citizen; San Bernardino December 2015, 14 people killed by US citizen; Fort Hood military base (2009): 13 killed by member of US army; New York immigrant centre: 13 killed by Vietnamese; Washington Navy Yard (2013) 12 killed by US citizen; Aurora, Colorado (2012): 12 killed by US citizen; Columbine High (1999): 12 killed two US citizens; ISIS? I don't think so.