Accused El Paso terrorist cooperating with police; Dayton shooter appeared to tweet extreme left views and showed interest in violence; Dayton shooter was exploring violent ideologies; FBI: Not found any indication of racial motivation in Dayton; FBI: Dayton shooter sought out information that promotes violence; FBI: No evidence El Paso shooting influenced Dayton gunman; Ex-Classmates: We warned about Dayton shooter's "Kill List"; Police: Motive of Dayton shooter still a mystery; Police believe accused El Paso terrorist targeted Latinos; Buttigieg plan includes universal background checks, closing gun loopholes, and assault weapons ban; El Paso Dems ask trump to cancel visit; Dayton Mayor: Trump's rhetoric has been "painful"; Dems push for McConnell to act on gun control measures; Source: McConnell has "no interest" in house background checks bill, lacks support from Trump & GOP Senate; Trump to visit El Paso, Dayton as some Dems tell him don't come; Accused El Paso gunman's family releases statement; Accused El Paso gunman's family: He was "influenced by beliefs that we do not accept or condone"; Ex-Girlfriend of Dayton gunman: He was "Interested in what made terrible people do terrible things"; Amid tragedy, O'Rourke finds himself back in spotlight; Remembering the victims killed in El Paso, Dayton via Knit