Petraeus and Broadwell Director David Petraeus resigned months after admitting an affair . His biographer was investigated over e-mails to another woman , a Afghanistan official says . Petraeus spent months in Afghanistan . The official did not identify the woman who made the initial complaint and did not know the nature of her relationship with Petraeus . She wrote a book about David Petraeus ' leadership qualities .
Petraeus and Broadwell Director David Petraeus resigned months after admitting an affair . His biographer was investigated over e-mails to another woman , a Afghanistan official says . Petraeus spent months in Afghanistan . She wrote a book about David Petraeus ' leadership qualities .