Houston , Texas , police provide composite sketch of the sexual assault suspect . Three women in their 50s and 60s were allegedly raped while at home alone , police say . They were all alumnae of the Delta Sigma Theta sorority . ( CNN ) -- The alleged attacker , black and in his 30s or 40s , provided personal info about his victims .
Houston , Texas , police provide composite sketch of the sexual assault suspect . Three women in their 50s and 60s were allegedly raped while at home alone , police say . They were all alumnae of the Delta Sigma Theta sorority . The alleged attacker , black and in his 30s or 40s , provided personal info about his victims .