As investigators scramble to figure out who killed two Texas prosecutors, suspicions abound over whether the Aryan Brotherhood of Texas played a role.
Authorities have not officially linked the two slayings, nor do they know whether the white supremacist group ordered the attacks.
But a series of events leading up to the killings have raised questions about the group's possible involvement.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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