And, in an update on the probe Thursday, British officials said they've arrested four in connection with the online attacks ... adding more arrests could be coming soon.
"We are working very closely with social media platforms, who are providing data we need to progress enquiries," British police official Mark Robertstold reporters.
"If we identify that you are behind this crime, we will track you down and you will face the serious consequences of your shameful actions."
Of course, in England, it's illegal to make racist statements or threats, as there's no First Amendment protection.
Roberts went on to call England soccer players "true role models" ... adding, "I'm disgusted there are individuals out there who think it's acceptable to direct such abhorrent abuse at them, or at anybody else."