Chilling surveillance video shows the moments before man went on a deadly string of unprovoked stabbings in Manhattan on Monday. The suspect, who is charged with three counts of first degree murder, had an extensive criminal history and serious mental health issues,

Three unprovoked stabbings across Manhattan Monday morning left two men and one woman dead, according to the New York City Police Department. A man is in custody, police said.

A lone, knife-wielding assailant killed two men and critically wounded a woman during an hourslong stabbing spree Monday morning through the streets of New York City, authorities said.