while i have seen documentaries that are more detailed and more in depth this is a very much worth watching. its only an hour so it will hold interest even for those that are not historians. it is as much interesting for its historic content as well as for its medical revelations and the legal issues it discusses. in a time when medical science was a burgeoning field Mary was swept away based on NEW ideas of germs causing illness. also of special note is that this was one of the first documented instances where a carrier of a disease was identified even though they displayed no symptoms. the treatment of Mary Mallon at the hands of the NYC authorities is also suspect. Mary did file a lawsuit and was successful in obtaining her freedom from her first incarceration. Unfortunately, we do not have a great deal of in depth information on Mary and are unable to ascertain her motives except by circumspect. Mary again went to work preparing food and was again quarantined, this time for the remainder of her life