12 dead, shooters at-large in terror shooting at Paris weekly

FBI defines San Bernardino mass shooting as 'terrorism', ISIS call shooters 'supporters'

No evidence San Bernardino shooters were part of terror cell: FBI chief

Shooting in Canada's parliament building leaves 1 shooter, 1 soldier dead

Shooting at YouTube HQ leaves shooter dead, at least 4 injured

Two dead, 13 wounded in Toronto shooting attack, gunman also dead

2 dead, 13 wounded in Toronto shooting attack, gunman also dead

2 dead, 13 wounded in Toronto shooting attack, gunman also dead

FBI finds no ties of Tennessee shooting suspect to international terror groups

Three dead in Italy court shooting

Canada shooting leaves two dead on parliament hill

More than ten dead in shooting attack at U.S. college

Four dead in shooting at mall in Burlington, WA; suspect on loose

Deadliest mass shooting in U.S. history leaves at least 50 dead, 53 injured in Florida

Texas shooting rampage leaves 7 dead, 19 wounded

One dead in shooting incident at Israeli embassy in Jordan

Nine dead after church shooting in S. Carolina

Female suspect dead in shooting at YouTube HQ in San Bruno

Two students dead, 17 injured in shooting at Kentucky high school

Two dead, 3 wounded in shooting at military training camp

One dead in shooting incident at Israeli embassy in Jordan

Florida nightclub shooting leaves 2 dead, up to 16 injured

3 dead in California elementary school shooting

At least 17 dead in Florida school shooting; suspect in custody

New Orleans shooting leaves 1 dead, 9 hurt

One police officer dead, 2 injured in shooting on California highway