Lack of motive in Trump attack frustrates public, but fits a pattern. Terrorism analysts say Trump’s would-be assassin is among a string of high-profile assailants with unknown or murky reasons ...

Investigators see ego, not money, as Trump’s motive on classified papers. A review by agents and prosecutors found no discernible business interest in the Mar-a-Lago documents, people familiar ...

While many have assumed the motives behind Saturday’s shooting were rooted in the heated rhetoric of a presidential campaign, a 1997 Secret Service study of American assassins and would-be ...