Pennsylvania police commissioner throws cold water on Secret Service ‘sloped roof’ concerns: ‘I cannot agree’  Fox NewsPennsylvania state police commissioner reveals stunning details about Trump shooting  CNNOfficers Left Post to Look for Trump Gunman, Top Cop Says  The Daily BeastTrump rally gunman fired 8 shots in under 6 seconds before he was killed, analysis shows  CBS NewsPennsylvania State Police chief testifies about Donald Trump assassination attempt  BBC.com