Prosecutors say his violent spree stunned the region.
A 15-year-old received a long prison sentence for killing in a park and trying to kill again in the region.
Westchester County District Attorney Susan Cacace announced that a 15-year-old was sentenced in Westchester County Court.
15-Year-Old From Connecticut Murders 29-Year-Old Man In Hudson Valley
The unnamed 15-year-old from Stratford, Conn., murdered 29-year-old Daquan Glenn in Doyle Park last year in Yonkers…