This would seem to be highly illegal if I have understood it or not.

"It's highly illegal, of course, but I think it'll do the trick."

Military stuff, it was highly illegal for her to have it.

This is highly illegal after the Indian law but the government does not care.

What Walter had done a half hour before had been highly illegal.

Intercepting orders is highly illegal, and would be very difficult to set up.

It was a highly illegal weapon, and Henry had never used it.

All highly illegal, but it might now take years to winkle them out.

I'm going to be doing some highly illegal things, friends.

Your arrival on the tuberider was highly illegal, so she's been of service to you already.