Independent journalist Matt Kennard has published a number of documents starkly revealing the degree to which The Guardian has been compromised by British security services, and the impact this relationship has on its reporting of key issues. The newspaper has long sought to present itself - to readers and advertisers alike - as Britain’s foremost ‘anti-establishment’ outlet, and took a leading role in reporting on the mass WikiLeaks cable dump in 2010, and the Edward Snowden leaks in 2013, garnering widespread praise and several prestigious journalism awards in the process. In the latter case, the The Guardian’s dissident credentials were...