The real gangs of London: Inside the horrifying turf war waged in Hackney that led to an innocent mother-of-two being shot in the head behind her own FRONT DOOR by a 17-year-old killer

On Monday, 17-year-old hitman Joshua Alexander was jailed for a minimum of 29 years for the murder of mother-of-two Lianne Gordon. Lianne Gordon, 42, had only just returned from a holiday in Jamaica when she was shot through the front door of her Hackney home on December 5 last year Joshua Alexander, 17, was jailed for life with a minimum of 29 years after murdering Lianne Gordon in Hackney, north-east London Your browser does not support iframes. Joshua Alexander was publicly named after being convicted in October of murdering Lianne Gordon Nurse Jackie Finnigan, left, with her best friend Lianne Gordon, seen on the right in this picture Ms Gordon was shot dead through the front door of her home in Hackney, east London, last December - police are pictured at the scene in its aftermath Forensic officers at the scene near Vine Close, Hackney, following the shooting incident The attackers were from the London Fields gang, and Agnes - a promising student who hoped to go to Oxford University - was hit by chance because she was standing near members of the Hoxton Boys. The Hackney Bombacilar clan have been involved in a long running feud with their rivals, the Tottenham Turks for control of the UK’s heroin trade Forensic officers pictured outside Evin restaurant, where a horror drive-by shooting took place in May A young girl was caught in the hail of bullets, with one said to have lodged in her head, as she was out for dinner with her family at the Evin restaurant in Kingsland High Street on May 29 The girl was shot at Evin restaurant in Kingsland High Street just after 9pm on May 29 Emergency services rush to the scene of the shooting in Dalston, east London Ever since 2011 there have been plans to regenerate Pembury, or 'Da Bury' as it is known, but so far they have come to nothing. He was sentenced to 22 years and three months The gang's vicious daylight attack shows one of the trio assaulting their victim by the lift A second gang member arrives with a gun and between them they stab and shoot at their 20-year-old victim Following a British Transport Police investigation, the four men, aged between 18 and 19, were sentenced at Snaresbrook Crown Court The incriminating footage, found on a phone belonging to one of the teenagers, helped convict the group, who were collectively sentenced to 77 years in prison for attempted murder The video shows the chilling moment the gang of teenagers celebrated and danced with a machete not long after stabbing, shooting and almost killing a rival in broad daylight A-Road gang members would often congregate in Vine Close, close to Kaymound's home.