Because the primary documents are better, more definitive evidence than his expertise. But his expertise helped guide reporters during the course of the investi

Because the primary documents are better, more definitive evidence than his expertise. But his expertise helped guide reporters during the course of the investigation: > My colleague Jessica Silver-Greenberg and I published the results of our investigation today. The first draft we filed had quotes from many of the dozens of lawyers and other sources who spent hours, sometimes days, assisting us. But the strongest sources for our months-long reporting were the primary documents themselves — court rulings and testimony. Once we had those, the voices of the people who led us to them were no longer needed.