Authorities hunt for clues, but motive of man who tried to assassinate Donald Trump remains elusive The Associated PressSecret Service questioned on security shortcomings at Trump rally AxiosHere’s What Is Known About the Suspect Who Tried to Assassinate Trump The New York TimesKinzinger says JD Vance’s response to shooting should ‘disqualify’ him from VP consideration The HillTrump assassination attempt upends 2024 election – for now BBC.com