Federal prosecutors in Washington, D.C., investigating possible ties between the Trump campaign and Russia applied for and were granted a trio of search warrants for Michael Cohen’s email accounts just months after President Donald Trump was sworn in, new documents released by federal prosecutors show.

The revelation that Cohen was a target of Special Counsel Robert Mueller III’s office in July 2017 was one of the more illuminating details in the documents the U.S. Attorney’s Office for the Southern District of New York was ordered to release Tuesday.