mass mass http://time.com/4368615/orlando-mass-shootings-chart/ number, frequency, and deadliness most notable gun events mass http://time.com/4368615/orlando-mass-shootings-chart/ high profile mass shootings Timeline of Shootings deadliest shooting http://time.com/4368615/orlando-mass-shootings-chart/ piece number, frequency, and deadliness 3 mass shootings 300 people died in those shootings most notable gun events