because of the way they were stabbed and castrated , it is undoubtedly the work of a homosexual who ... '' `` ... so if the police can find a connection between the victims , they will probably discover that it was the work of a lover the men had all scorned ... . '' `` ... but i would say they were random killings committed by someone who had a dominating mother ... . '' saturday morning , detective whittier called deputy blake from san francisco .