Nazir stabbed 30-year-old Chris West 12 times, killing him, and tried to murder another man
The trenches or mounds will be turned into wildflower banks to prevent 'illegal encampments'
The massive development west of Cambridge has moved a step ahead
Chris West was stabbed to death by Kai Nazir in Cambourne last year
Daniel Berryman's friend Chris West was killed the same night by 20-year-old Kai Nazir
Judge Farrell told the 20-year-old killer he was suffering an "emerging personality disorder" when he stabbed Chris West to death
Kai Nazir killed Chris West at the Monkfield Arms pub in October last year