Many of those requests probably involved files related to the U.S. investigation into how Russia interfered in the 2016 presidential election or the related grand jury investigations or about Trump's personal or business tax returns, said Kel McClanahan, a Washington lawyer who frequently sues the U.S. government for records.
"What happens when that person doesn't work there anymore? He leaves and someone makes a request (to review emails) in two years," said Kel McClanahan, executive director of National Security Counselors, an open government group. "Who's going to know to search the other accounts? You would hope that agencies doing this would keep a list of aliases in a desk drawer, but you know that isn't happening."