The US Secret Service plans to increase its use of surveillance drones following the attempted assassination of former president Donald Trump, the agency's acting director says.
"We did not have a drone on site" at the July 13 campaign rally in Butler, Pennsylvania, where a gunman opened fire on the Republican White House candidate, says Ronald Rowe, who took over after the previous director resigned.
"We thought we might have had it covered with the human eye," he tells a press conference. "But clearly we are going to change our approach now and we are going to leverage technology and put those unmanned aerial systems up."
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