Nellie Mortimer was the killer of her ex-boyfriend, Lieutenant General Frank Vogel,After he infected her and other women with syphilis

Nellie is very rude ,smart,sensible, and did a good job of planning and covering her tracks and evidence after the murder . She is also a bit short-tempered and can be angry at time. Schizotypal 

Small things:
She 5 feet and three inches tall, her age is 23 years old.
Lives in America ,Concordia, New Heaven.Has syphilis and has head lice 