dayton

Police thwart dozens of mass shooting threats thanks to public vigilance, says FBI expert

Mayors urge Senate to return to Washington for gun bill vote

Dayton shooter had an obsession with violence and mass shootings, police say

Toomey hopes change in political climate makes opening for gun control law

Wilmington high school grad remembered among 9 killed in Dayton

Philly's top cop urges public to stay vigilant in wake of recent mass shootings

Mayor Kenney blames Trump for weekend of mass shootings

Philly Pulse survivor on latest mass shootings: 'Tragedy changes you'

Retired Philly FBI agent: Likely someone missed clues in mass shooters' behavior