From a social media post that cracked open a decades-old abuse scandal in the UK and Australia, through to tracking asylum seekers, social media can be vital in breaking investigative news stories.
Journalists call it the 'dark arts', and public relations is more powerful than ever.
Despite its negative aspects, investigative journalists globally are using social media to collaborate and uncover important stories.
The Daily Telegraph used hidden cameras to capture the England manager in an apparent impropriety ... and it cost him his job.
Some of the key questions faced by news organisations before publishing their scoop.
A global collaboration of journalists has revealed massive offshoring of funds linked to some of the world's most powerful people, including Vladimir Putin.
Spotlight tells the story of the investigative team at The Boston Globe which uncovered the extent of the child sexual abuse scandal in the Catholic Church in Boston.
Sir Harold Evans talks to Richard Sambrook about The Sunday Times' moral campaign against thalidomide's manufacturers, the fight for political validation and the rise of investigative journalism.
For a former Boston reporter, Spotlight evokes the thrill of hard-hitting, influential reporting.
A Swedish court decision means Julian Assange will remain confined to the Ecuadorean embassy in London. Like the muckrakers of old, he offends the powerful, but his journalistic cause is just.