At 16, she drove drunk and killed a man. At 24, cops say she did it again. For the second time, Jennifer Carvajal stands accused of DUI manslaughter. What happened? Â Â Jennifer Carvajal, a Plant City teenager who pleaded no contest to DUI manslaughter appears at the Hillsborough County Courthouse in Tampa on Thursday, December 17, 2015. [ Tampa Bay Times ] Updated Earlier today Five years ago, a diminutive teenage girl with striking brown eyes stood shackled and weeping in a Tampa courtroom. Jennifer Carvajal admitted she was drunk early one morning a few weeks shy of her 17th birthday. She admitted that sheâd blown through a red light and slammed into another car, killing the driver. She admitted sheâd made a terrible mistake and vowed to become a better person.