Dit Is Nederland: Messcherpe Drillrap

In September last year, 18-year-old Jay-Ronne Grootfaam was stabbed to death in Amsterdam South East with a machete. And that is not the only stabbing in the Netherlands that we saw in the news. How is it that the carrying of knives among such young boys and girls seems to become increasingly normal? And what is the link with the aggressive music style drill music?