Stabbings propelled London's murder total beyond New York City's in early 2018. Here's why it matters when it comes to knife laws, racial bias and effective policing.
Restrictions on the public carry of knives can have an unintended consequence. Sikhs, who carry daggers called kirpans as part of their faith, are prohibited from openly practicing their religion.
The Manhattan district attorney notorious for his "gravity knife" prosecutions is now being investigated for apparently turning a blind eye to a 2015 sexual assault allegation against disgraced Hollywood mogul Harvey Weinstein.