U.S. Authorities On Lookout for ‘Lone Wolf’ Attacks At Trump Inauguration

“Since some of those events have been moved inside, it will assist officials with protection, because it’s a controlled environment,” he said.

“I’d keep a special eye on the inaugural parade,” he said. “There’s going to be thousands of eyes on those events.”

The security expert also had some advice for civilians.

“The reality is, no matter where you are in the world today you have to have good situational awareness,” he said. “Unfortunately, and we’ve learned through a lot of events in the last few decades, that the unexpected could happen anywhere at any time and in any city.”

“People need to put their phones away and look around and see what’s going on,” he said. “Know who’s around you, because having situational awareness is key for the public, because if they notice some of these, things they can talk with an officer who can investigate the matter, if needed.”