CSO: Secret Service officer grabbed me by the arm and asked me to come with him back up the escalator. He said he had been observing me for two-and-a-half hours and wanted to know why I spent so much time around the White House. He was pretty sure he was taking surveillance photos of the building, he says. The Secret Service officers let him go with him, but he says he’s not a history buff. He says the two were the good cop-cop-bad approach to him.”]
Source: https://www.csoonline.com/article/2134810/one-year-ago–i-got-grilled-by-the-secret-service.html