It wouldn’t be reckless because she wasn’t deliberately driving dangerously in drugs or flooring the pedal like a NASCAR driver. She would be charged with the lesser offence of causing death by careless driving, which carries a maximum sentence of six months.
We don't know what happened. She fled the country before the police could finish their investigation or had all of the 'facts'. .gov seems to only work or speed up when it involves important actors or workers in .gov