The former FBI official, who was recently fired from special counsel Robert Mueller's Russia team over messages critical of President Trump, reportedly edited a key phrase that removed possible legal implications in former FBI Director James Comey's statement about his decision on the Hillary Clinton Hillary Diane Rodham ClintonREAD: Cohen testimony alleges Trump knew Stone talked with WikiLeaks about DNC emails County GOP in Minnesota shares image comparing Sanders to Hitler Holder: 'Time to make the Electoral College a vestige of the past' MORE email investigation.

Peter Strzok, who served as a counterintelligence expert at the bureau, changed the description of Clinton's actions in Comey's statement, CNN reported Monday, citing U.S. officials familiar with the matter.

ADVERTISEMENT

One source told the news outlet that electronic records reveal that Strzok changed the language from "grossly negligent" to "extremely careless," scrubbing a key word that could have had legal ramifications for Clinton. An individual who mishandled classified material could be prosecuted under federal law for "gross negligence."

Strzok, who served as the No. 2 official leading the probe into the Clinton email server, has been thrust into the center of controversy after news of his dismissal from Comey's team.

A group of people were part of the drafting process, using a red pen on Comey's statement before he publicly came forward, another U.S. official familiar with the matter told CNN.