Family : Husband says he did not provide information . Baby Ali was on her way to an all girls school when gunmen struck . Murder has similarities with last year 's attempted murder of teen Malala Yousafzai . Petition calls for protection for women and children in Pakistan 's schools .
NEW : Husband says government did not provide protection . Shahnaz Nazli was on her way to an all girls school when gunmen struck . Case has similarities with last year 's attempted murder of teen Malala Yousafzai . Petition calls for protection for women and girls in Pakistan 's schools .