The man accused of fatally stabbing a 14-year-old boy in the Bronx late last week has pleaded not guilty to murder, among other charges.

The Bronx man accused by police of stabbing a 14-year-old to death in an unprovoked attack suffered from schizophrenia and refused attempts to get him necessary medication and hospitalization, according to the man's stepbrother.

The man accused of randomly stabbing a Bronx teen to death threatened to snap the necks of court officials and screamed he was “with Satan” during his Sunday murder arraignment. “My name is Waldo Mejia,

A man has been charged in a "random and unprovoked" fatal stabbing of a 14-year-old boy in the Bronx, according to NYPD.

Suspect Waldo Mejia’s neighbor was afraid to leave home without first checking their Ring doorbell to make sure Mejia wasn’t around.