Revealed: How a drug-dealing thug, who began his life of crime firebombing a nightclub aged 19, killed a public school-educated 'caring' mother by blowing up her house on a quiet street in suburban Bristol with a hand grenade in an apparent murder-suicide ⊖⊖

Shortly after 6am, last Sunday, Stuart Blanchard was woken by angry voices drifting through his bedroom window. At first, he thought it was a troublesome neighbour.