Who is Edward Snowden, the self-styled NSA leaker?
January 2013
Snowden reaches out to Laura Poitras, a documentary filmmaker.
March 2013
He seeks a new contractor job with Booz Allen Hamilton at the same NSA facility in Hawaii.
May 2013
Snowden begins sending some documents to Poitras, Greenwald and to Barton Gellman of The Washington Post.
May 20, 2013
Snowden arrives in Hong Kong from Hawaii.
June 2, 2013
Greenwald and Poitras arrive in Hong Kong.
June 5, 2013
First revelations arising from the documents provided by Snowden are published in The Guardian's article about NSA's collection of domestic email and telephone metadata from Verizon as part of what is later revealed to be an even broader collection effort.
June 6, 2013
The Guardian and The Washington Post each publish an article about NSA program PRISM, which forces biggest US internet companies to hand over data on domestic users.
June 8, 2013
The Guardian publishes NSA slides on Boundless Informant, which shows NSA collected nearly 3 billion pieces of intelligence inside the US in February 2013 alone.
June 9, 2013
The Guardian reveals Edward Snowden as the source of NSA leaks.
June 11, 2013
The European Union demands US assurances that Europeans' rights are not infringed upon by the newly-revealed surveillance programs. Snowden is fired by Booz Allen Hamilton.