alice kovich-suehn , 53 , charged with elderly neglect .
elderly man in kovich-suehn 's care was brought to florida hospital weighing only 89 lbs .
the 96-year-old victim said kovich-suehn , his legal caretaker who has power-of-attorney , has been starving him .
when offered food , police said the skin-and-bones senior ` ate like a starving dog '