NSA deleting more than 685 million call records - The Washington Post — “They said they have to purge three years’ worth of data going back to 2015, and that the data they did collect during that time — which they are now purging — was not reliable and was infected with some kind of technical error”
Trump calls out NSA for deleting data: Here are the facts - CBS News — In a tweet on Tuesday morning, President Trump criticized the National Security Agency for deleting millions of "phone calls and text messages" and suggested the deletion was related to "the witch hunt"