A second mental health exam has been ordered for the 24-year-old woman accused of killing her 65-year-old boyfriend aboard a Charlestown houseboat in February.
Nora Nelson appeared in Charlestown District Court on Monday for a status hearing after her attorney, Ian Davis, filed for a mental competency evaluation on April 9.
Nelson was charged with murder on Feb. 6, in connection with the death of Joseph Donohue of Charlestown…