Susan Rice, who served as President Barack Obama’s national security adviser, said the previous administration kept transcripts of calls with foreign leaders in a separate computer system — but only if the contents of the conversations were highly classified.

The Trump administration has been under fire for putting a transcript of the president’s call with Ukrainian President Volodymyr Zelensky on a separate system for highly classified information, leading to speculation that the White House was trying to hide Trump urging his Ukrainian counterpart to investigate Joe Biden and his son Hunter.