A former Trump administration official who wrote a scathing anti-Trump op-ed and book under the pen name "Anonymous" has made his identity public.

Miles Taylor, a former chief of staff at the Department of Homeland Security said in a tweet: "Donald Trump is a man without character.

"I'd just become deputy chief of staff of the department, taking on some additional sensitive issues at DHS, and woke up in my apartment that night, a row house on Capitol Hill, to a really strange sound," Taylor said. "It was sort of a chirping, somewhere between what you would think is a cricket or sort of a digital sound. I didn't know what it was, but it was enough to wake me up."

"What was really strange about it is, I went to the window, opened up my window, looked down at the street. And keep in mind, Scott, this is probably 3-- 3:30 in the morning and I see a white van," Taylor told Pelley. "And the van's brake lights turned on, and it pulled off and it sped away."

Taylor said the whole ordeal lasted seven to 10 minutes. The next day he said he felt sick. Five weeks later, Taylor said it happened again at home in the middle of the night. He says he later learned an unnamed, "roughly" cabinet-level official was also seemingly targeted at their home.