The issue was first covered in this thread
with material from Oregon Live. The New York Times has more details on this case, including a discussion of mixed files, which can be at the root of many credit report problems.
From The New York Times:
Mixed files, as they are known in the credit industry, most frequently involve people who share common names with individuals who have similar Social Security numbers, birth dates or addresses. These errors are notorious for being among the most difficult to fix, credit experts said, and require human intervention to untangle the mess. But given the huge number of disputes, the process to address them is largely automated. And that is the excuse the industry advances to consumers who get stuck in its web. Read more