With young men continuing to die from knife crime on London's streets, police are learning from Scotland, which has dramatically reduced its homicide rate ...
Meanwhile, presenter Livvy Haydock discovers how Glasgow is successfully fighting back against the violence, with murders and killings now at an all-time low and community groups helping to steer ...
One man said he witnessed someone being given a 'Glasgow smile' - a knife wound caused by making a cut from the corners of a victim's mouth up to the ears, leaving a scar in the shape of a smile.