NYPD arrests boyfriend of 16-year-old girl stabbed to death in Harlem

Police have arrested the boyfriend of the 16-year-old girl who was stabbed to death inside a Harlem apartment Sunday.
Zyaire Crumbley, 18, is in police custody and has been charged with murder for the death of 16-year-old Saniyah Lawrence.
Police say an argument between the two escalated and later led to the tragic incident.