Think of it like a book where the publisher releases a preview chapter. There are hints in the court record which, despite sealing of an indictment, would give

Think of it like a book where the publisher releases a preview chapter. There are hints in the court record which, despite sealing of an indictment, would give a determined investigator enough information to speculate on the charges in the grand jury. The DA office probably just provided the media with some top-line updates on the process so that there would be a general understanding of the big news to head off speculation or a leak.