Breitbart notes (H/T Anthony in the comments) an earlier scandal involving Sullivan, which contains echoes of stories that are familiar to readers here. According to one Prof Shuchman, a book co-authored by Sullivan contained findings that were irreproducible:

This book contains so much exaggeration, so many questionable ploys, and so many incorrect statements that it would be well to check the accuracy of their raw data, as old as it is. But the authors arranged matters so that they could not provide access to the computer printouts by case, with the corresponding bankruptcy court file numbers, this preventing any independent check of the raw data in the files from which they took their information.