Error Reveals US Targeted Snowden in 2013 Legal Suit Against Email Firm
![Error Reveals US Targeted Snowden in 2013 Legal Suit Against Email Firm](http://cdn5.img.sputniknews.com/images/103601/26/1036012636.jpg)
The US government accidentally revealed documents showing that the person it was investigating three years ago when it demanded that a secure email firm helps spy on a particular customer was whistleblower Edward Snowden, media reported.