Derek Rosa, 13, stabbed his mother 46 times, lead Hialeah detective testifies

Detective says Hialeah 13-year-old stabbed mom over 40 times as confession played in court

A Hialeah 13-year-old confessed to stabbing his mother over 40 times, searched for information about killing people with knives and admitted to the brutal killing to investigators, a detective testified at a hearing for the teen on Thursday.

Derek Rosa, 13, stabbed his mother 46 times, lead Hialeah detective testifies

A Miami-Dade County judge is expected to decide Friday whether Derek Rosa, 13, who is accused of killing his mother, Irina Garcia, 39, in October will be transferred back to juvenile detention.Rosa’s attorneys called six witnesses Thursday as they make their case about how they say his rights are being violated by being held at the adult Metro West Detention Center.One of those witnesses was Detective Joseph Elosegui, with the Hialeah Police Dep…