nspiracy theories that the whistleblower may have been captured or killed. The 33-year-old fled to Russia from the US after leaking top secret documents. On Wednesday he took to Twitter and posted a series of messages which some took to indicate he may have been about to reveal another batch of classified information. His first tweet said: “Did you work with me? Have we talked since 2013? Please recontact me securely. It’s time. On Friday he followed up with another post, which contained 64 seemingl
y random characters . Both of the messages have since been deleted. Various theories have started to s
urface about what the posts could mean. Edward Snowden (Image: Getty) There have been claims
the code was the result of a “dead man’s switch” – a message set up to be automatically sent out if an account is inactive for a particular period of time. Read MoreRelated ArticlesWhistleblower Edward Snowden cl
aims Belgian spies could have stopped Brussels attacks Others have gone further, claiming agents from America could have executed him before he could release any more secrets. Some said the code was a key to an encrypted file already given out to journalists who h
ave worked with him before. Edward Snowden twitter (Imag
e: twitter) Snowden suspicious tweet (Image: twitter) Reporter Barton Gellman, who is c
urrently working on a book about Snowden, reassured people online that the whistleblower was fine. He wrote: 1. Everyone requesting proof of life for me and Snowden , take a deep breath. 2.
Some tweets have private meaning. 3. My SecureDrop is up. Gellman had previously tweeted a similar code to Snowden, which people could use to contact him via his SecureDrop online. Snowden is the responsible for the biggest leak in modern US history. He quit his 130k a year job at Americas National Security Agency after claiming he could not stand by and watch the civil liberties of millions of people be eroded. He disclosed inside information on global surve
illance programmes being operated by the NSA and Five Eyes Intelligence Alliance, along with
European Governments and telecommunication companies. The 33-year-old former CIA technical director
fled to Moscow. Russian authorities granted him asylum for one year, which was later extended to three years. He has since been living at various secret locations.