A former Wal-Mart Stores Inc. worker said he was part of a large surveillance operation that included snooping on employees, stockholders and others, according to a Wall Street Journal report Wednesday.

A former Wal-Mart Stores Inc. worker said he was part of a large surveillance operation that included snooping on employees, stockholders and others, according to a Wall Street Journal report Wednesday.

Read more at: http://rss.cnn.com/~r/rss/cnn_topstories/~3/106620379/index.htm.