the victims ' Social Security checks . The 19-year-old was being held in the apartment rented by Linda Weston 's daughter , Jean McIntosh , who became the fourth person charged in the case Wednesday afternoon , Philadelphia police spokesman Lt. Ray Evers told CNN . `` Jean was a cooperating witness . We did n't know she was a defendant , '' Evers said . `` But after talking with the captives and others , we discovered Jean was lying . '' When police returned to the building Tuesday with a warrant to search McIntosh 's apartment , Beatrice Weston had been moved . But they found evidence she had been there , and convinced McIntosh to produce her , Evers said . Beatrice Weston had burn marks on her body and marks on her ankles as though she 'd been struck by pellets , Ramsey said -- injuries that clearly had been inflicted over some length of time . `` This girl was beaten and tortured . It makes you want to cry when you see her , '' Ramsey said . Beatrice Weston , who had been reported missing in 2009 , and the six children were
Philadelphia -LRB- CNN -RRB- -- The suspects charged with imprisoning four mentally disabled people in a Philadelphia boiler room may have been holding seven other people , including the accused ringleader 's 19-year-old niece and six children , police said Wednesday . The niece , Beatrice Weston , had been kept in a closet in an upstairs apartment in the same building where the first four were found Saturday afternoon , police said . She was being treated for `` horrific '' injuries after being found beaten , malnourished and covered with scars Tuesday afternoon , Police Commissioner Charles Ramsey told reporters . `` I 've been a police officer for more than 40 years , and I 've never seen injuries like this , '' Ramsey said . Philadelphia Mayor Michael Nutter added , `` I 'm not sure horrific covers it . This is sheer madness . '' The owner of the northeast Philadelphia apartment building found the original four victims locked in a dank sub-basement chamber that reeked of urine and excrement . Authorities are investigating whether Beatrice Weston 's aunt , 51-year-old Linda Weston , and three others now charged in the case had been stealing