She wrote e - mail on October 7 , two days after deadly suicide bombing . Before returning to Pakistan , she told CNN she was aware of threats . `` She basically asked for all that was required for someone of the standing of a former prime minister , '' Siegel told CNN 's `` The Situation Room . '' Lack of security worried Bhutto upon her arrival in Karachi , adviser Siegel says . She was concerned problem was worsening as elections neared , he says .
She wrote e - mail on October 7 , two days after deadly suicide bombing . Before returning to Pakistan , she told CNN she was aware of threats . Lack of security worried Bhutto upon her arrival in Karachi , adviser Siegel says . She was concerned problem was worsening as elections neared , he says .