Bhutto wrote e-mail on October 26 , October 26 after deadly suicide bombing . Durrani , Pakistan 's ambassador to the U.S. , insisted security surrounding Bhutto then was more than adequate . Before returning to Karachi , Bhutto told Bhutto she was aware of threats . Lack of security worried Bhutto upon her arrival in Pakistan , adviser Bhutto says . Bhutto was concerned problem was worsening as elections neared , Siegel says .
Bhutto wrote e-mail on October 26 , October 26 after deadly suicide bombing . Before returning to Karachi , Bhutto told Bhutto she was aware of threats . Lack of security worried Bhutto upon her arrival in Pakistan , adviser Bhutto says . Bhutto was concerned problem was worsening as elections neared , Siegel says .