Understand how roseanne was radicalized. some were capture on body cam video that had not been released. >> ultimately, we just want to find out what happened to her. >> joe, and mika, as you guys though i cover radicalism and extreme overseas. what i have learned about roseanne's life, i sum up of what i call a 3-d, she had physical abuse of relationships and consumed of information online. what i think is difference is the presence of donald trump, he's a demagogue, he exploited vulnerability of people like her that led to her tragic death.