The bad boy of British indie rock music, the former Libertines star ricocheted from one calamity to the next during the noughties as he was caught in a life of drug-use and excess.
Mark died after falling from a first-floor balcony during the party hosted by drug addict Paul Roundhill and attended by rock star Doherty, who at the time was Kate Moss s drug-addled on-off boyfriend.
Almost 17 years after her son s death, Shelia Blanco remains convinced that her son was pushed off that balcony - with experts such as FBI instructor Fredericks suggesting he was thrown off.
The gathering of three men and three women, including the then-Babyshambles singer-songwriter took place in December 2006 and is at the centre of a new Channel 4 documentary.