1963: Born in Birmingham to journalist parents.
1970s: Begins his career helping his parents produce Urdu-language paper.
1979: Exposes family member for selling pirate videos, leading to various jobs on Sunday People, the Sunday Times, ITV, the BBC and TV-am.
1988: Resigns from the Sunday Times to avoid an internal disciplinary matter, according to his Leveson statement.
1991: Joins News of the World (NoW).
1999: Won British Press Awards reporter of the year for NoW exposé of two Newcastle United directors.
2003: Reported a fake plot to kidnap Victoria Beckham. The source later said he had “tricked” Mahmood.
2006: Rumbled by George Galloway, whom he tried to trap in a NoW sting.
2006: Trial over supposed terrorists involved in non-existent “red mercury” plot exposed by Mahmood collapses.
2011: Scoop of the year for Sun on Sunday investigation into spot-fixing by Pakistani cricketers.
July 2011: Loses job on NoW after it closes.
August 2011: Joins Sunday Times.
2012: Tells Leveson inquiry 261 people were jailed because of his stories. Later News UK said it had proof of only 94 prosecutions.
2012: Joins the Sun on Sunday.
June 2013: Publishes drugs story about Tulisa Contostavlos. She is arrested.
July 2014: Trial collapses after it emerges Mahmood had tampered with evidence.
October 2016: Mahmood found guilty of perverting the course of justice.