Same species, no surprise.
2 of them are free living in Hawaii under different names. Patty may have been scared to death and been a victim of the Stockholm syndrome. Remember she was a rich 19 year old at the time of her kidnapping. Her ‘boyfriend’ was Steven Weed, her math teacher-31 years old- who wrote a book to capitalize on the episode. American public opinion was not going to let her get away with being a rich girl whose parents empire advocated wars that cost ‘regular’ peoples lives. Carter did the right thing pardoning her.