David Melseaux, who lived in a flat directly above Nicholas Prosper for over a decade, said his family heard the shooting.
Neighbour of Luton teenager who murdered family speaks out after living above killer for decade
Triple killer Nicholas Prosper, who also planned to attack a primary school, gave no clues about what he was going to do, according to a neighbour.
Tuesday 25 February 2025 20:40, UK