Teenage killer guilty of murdering Airbnb party gatecrasher

A 17-year-old boy who celebrated with his friends after they knifed an aspiring rapper to death for gatecrashing an Airbnb party is facing a life sentence. Lewis Blackman, 19, known as ‘Dotty’, was part of a group of 10 men who turned up uninvited at the 16th birthday bash in Kensington, southwest London on 17 February last year. The birthday girl advertised the party over Snapchat and wanted to invite around 50 people including girls from school and boys she…