18 year old Edward Redman will be sentenced for the murder of 17 year old Jay Whiston on Thursday 1st May.
Jay was stabbed to death at a party on Colchester in 2012.
Edward Redman was found guilty of murder after a three month trial at Chelmsford Crown Court.
His 51-year-old father, Gary Redman; his 20-year-old brother, John Redman; and his former girlfriend, 19-year-old Shannon Fenlon were all found guilty of conspiring to pervert the course of justice.
They were all remanded into court custody prior to their sentencing.
More top news
A father and son duo from Norfolk who stunned the nation on Britain's Got Talent relive their golden buzzer moment on ITV News Anglia.
Scattered, heavy storm showers overnight, dry and cloudy tomorrow.
A butterfly that was extinct in England for more than 40 years is being returned to Rockingham Forest in Northamptonshire.