A New York City day care owner and her husband were sentenced Wednesday in the fentanyl poisoning death of a 22-month-old boy in their care. A jury found Grei Mendez, 38, and Felix Herrera Garcia, 37, guilty of second-degree murder last year in the New York case, as well as assault, according to the Bronx district attorney's office. Mendez, who owned Divino Niño day care center, and her husband, Garcia, were sentenced to 25 years to life in prison. The couple are already serving a 45-year sentence after they pleaded guilty to federal drug charges in connection with the case. The state prison sentence Wednesday will run concurrent with the federal sentence. In the state murder case, prosecutors told the court that large quantities of fentanyl were being processed at the day care center. The same kitchen tools that Mendez used to prepare the kids' food was used to process the fentanyl, the state said.…