MIAMI-DADE COUNTY-The mother of a 12-year-old girl shocked by police with a Taser gun says she worries other children might suffer as her daughter has. The 12-year-old girl shocked by police with a 50,000-volt Taser used to dream of being a police officer when she grew up. Not anymore, her mother said Saturday. ''Now, with this, she says she's scared of the police,'' Viviana Rojas said. Miami-Dade police officer William Nelson caught Rojas' daughter skipping school on Nov. 5. When the unarmed girl ran from Nelson, he chased her through a parking lot, then zapped her with the stun gun...