A fourth man has been arrested as part of the largest identity theft case in U.S. history. Federal officials say Emanuel S. Ezediaro is charged with buying and selling credit reports of tens of thousands of people. If convicted of wire . . .
A fourth man has been arrested as part of the largest identity theft case in U.S. history. Federal officials say Emanuel S. Ezediaro is charged with buying and selling credit reports of tens of thousands of people. If convicted of wire fraud and conspiracy, he could get up to 35 years in prison and more than $1 million in fines.

One of his alleged co-conspirators, Philip Cummings, will be arraigned on Wednesday.

This column, which was written when the case was made public, explains how the fraud was carried out and what consumers can do to protect themselves.