Dec 18 – Ian Clark, 35, a drug addict, and Patricia Price, 44, a lesbian junkie, were shot in the head in separate rooms of a house in West Hill, Bridlington, East Yorkshire.
James Chopswood Morrison, 40, from Rochdale, was jailed for life (21 years) in June 2001.
Police said Broddle bore a grudge after Hoggarth beat him up in 1997.
It is thought Broddle found out how to make the bomb on the internet.
Charges were dropped against his brother Thomas Moore, 45.
The trial heard Ambrose stabbed her during a drunken row and then left, not realising she would bleed to death.
Ray “Tikki” Whittaker, 33, was jailed for life (25 years). The trial heard the bodies were discovered by Mrs Price’s lesbian lover, Billy Jo Robson, on her return from a night out.