London is in the grip of a knife-crime epidemic. Last year, there were some 14,500 knife crimes recorded in London - almost 40 a day - up from nearly 11,500 in the previous year.
The heartbroken mother of murdered teenager Jermaine Cools has kept her son's bedroom intact since the last time he left the house, revealing the family "don't really have a life anymore" after his death.
Marques Walker (left) recorded footage on a phone smuggled into his cell following his arrest for stabbing Jermaine Cools, 14, (top right) to death in Croydon in November 2021, tormenting his family
Marques Walker, 17, and Vanushan Balakrishnan, 18, were awaiting murder trials for separate stabbings when they were placed in the same cell block at Feltham Young Offenders Institute.