This post was originally published on this site
https://npr.brightspotcdn.com/dims3/default/strip/false/crop/1024x576 0 54/resize/1400/quality/100/format/jpeg/?url=http://npr-brightspot.s3.amazonaws.com/64/7b/6528a9b04931a9e517e6e234c06b/gettyimages-2172457996.jpg
The acting director of the Secret Service also cited “complacency” from others, as well as over-reliance on mobile devices and flaws in advance planning.