Student Ambushes Housemate in Garden Murder: Zack Coughlan, 23, was

Zack Coughlan, 23, was jailed for life with a minimum of 28 years for stabbing housemate Jamie Collins, 21, 30 times in their Filton garden. Coughlan wore black, a mask, and gloves to ambush Collins, initially denying murder before admitting guilt.