Baby boy dies in Florida after teen mother puts fentanyl in baby bottle, sheriff says

A 9-month-old baby boy died last month in Florida after his teenage mother is accused of putting enough fentanyl into his bottle to kill 10 people, officials said Wednesday. 

The 17-year-old mother was arrested on charges of aggravated manslaughter and possession of a controlled substance, Nassau County Sheriff Bill Leeper said during a news conference. She allegedly confessed to investigators that she thought the fentanyl was cocaine, and put it into her baby's bottle to put him to sleep because she was tired and wanted to take a nap, he added.

"Unfortunately, some babies are born to individuals who have no business being parents," Leeper said.