So-called “creepy clown” sightings have spread across more than 20 U.S. states and parts of Canada leading to arrests, school warnings and police investigations. And for Miles Leahy who has ...

Given history's various episodes of mass hysteria, from UFO sightings to 2016's epidemic of clown sightings — remember those?

“There are thousands of drones flown around the U.S. on a daily basis,” Pentagon Maj. Gen. Pat Ryder told CNN last week. “So, ...