learn lessons from scotland to tackle knife crime in london let us return to the interview with katie mccaskill where he cautions on expecting me to progress let me tell you but susan to certainly well you have just to say that just in a year you've got basically what's been happening in england though you've got screaming place headlines you've got tragedy after tragedy the number of fatalities from knives and skull and i think reached a peak you you've got to last families coming to see you and the grief and demanding action you've got opposition politicians saying it'll get this social. approach and get stuck in prison sentences not as to how did you deal with that situation as a justice it well i think london as well as lending lessons from from the wider public health approach that thankfully is being dealt with now they should also look at the new deputy commissioner of the goat and steve hayes because he was the chief constable of strathclyde data largest single area and biggest police force and where that was the epicenter of knife crime and you're right it was a real crisis because it