Cops said Noel Estevez, a 14-year-old living in the Bronx, stabbed his 14-year-old classmate Timothy Crump after school let out on Wednesday afternoon.
Wilbur Harwell, a Navy petty officer, is the suspect in a stabbing near the Naval Medical Center Portsmouth in Virginia.
Daniel St. Hubert was identified as the suspect in the murders of Prince Joshua Avitto and Tanaya Grant Copeland in Brooklyn, New York. Just minutes after his identity was made public, St. Hubert was arrested in Queens.
Two people were stabbed at the station in Dorchester just after midday.
See photos of Anissa Weier, one of two tween suspects in the Slender Man stabbing that nearly killed a Wisconsin 12-year-old.
Two Wisconsin tweens lured their friend to an overnight birthday party then stabbed her 19 times and left her for dead in the woods as a sacrifice to a mythical Internet character, cops said.
In Waukesha, Wisconsin, Morgan Geyser and Anissa Weier, both 12, are accused of stabbing a friend repeatedly in an attempt to appease the mythical Slender Man.
Morgan Geyser is one of two tween suspects in the horrific stabbing of a 12-year-old girl in Wisconsin, an apparent sacrifice to the mythical Slender Man.
One male student was stabbed in the attack.