they hit it off their relationship blossoms. they fell in love, and they started dating and they got married. she was raised as a christian. but as she got closer to tamerlan, she came a muslim. she lived with the tsarnaev family in their home in cambridge, relatively close quarters and became pregnant and had a daughter. one of the great mysteries of the boston american bombing investigation is what katherine russell might or might not have known prior to the bombings. she was never charged federally. but that remains today and to be one of the great unresolved mysteries of the boston marathon bombing investigation. from all appearances, joe car seems to have assimilated better than tamerlan. if you listen to dzhokhar s teachers, he was like mr all american boy car goes to high school at a very prestigious school in cambridge , cambridge rindge and latin school previously attended by matt damon, ben affleck and patrick ewing. dzhokhar tsarnaev