It's possible Porter was conducting his job on a temporary clearance.
A former Obama official told CBS News it would be difficult to conduct Porter's job without a security clearance."I don't know how you would do that job without a security clearance," the former official said.
Porter's first ex-wife, Colbie Holderness, provided an image to the Daily Mail showing her with a black eye -- which she alleged resulted from Porter punching her on vacation in Florence, Italy, in the early 2000s.
Porter, according to White House salary disclosures, earns the highest salary level in the White House -- 9,700.
Porter is dating White House communications director Hope Hicks, CBS News has confirmed.
"He is a friend, a confidante and a trusted professional.
I am proud to serve alongside him."So did Sanders."I have worked directly with Rob Porter nearly every day for the last year and the person I know is someone of the highest integrity and exemplary character," the Daily Mail quoted Sanders as saying.
White House staff secretary Rob Porter, third from right, gives President Trump, flanked by Vice President Mike Pence and Chief of Staff Reince Priebus, right, the document confirming James Mattis as his secretary of defense, Mr.
Trump's first signing in the Oval Office in Washington Jan. CBS News' Laura Strickler obtained the emergency protective order Willoughby filed on June 23, 2010, in Arlington General District Court after Porter allegedly violated their separation agreement, refused to leave the Northern Virginia apartment and punched out the glass on the door, cutting his hand.Today, (Saturday, 6/19/2010) he returned to my apartment and let himself in with a key that I have requested back.(Requested in the presence of our church clergy last Sunday 6/13/10) When I asked him why he was there he said to get his clothes.Late Wednesday, Kelly told reporters he stood by his earlier comments that Porter is "a man of integrity and honor.""I was shocked by the new allegations released today against Rob Porter," Kelly said."There is no place for domestic violence in our society.He wanted to hug and make up but was angry when I asked that he get his things and leave.