At about 3:30 Tuesday afternoon police responded to 434 South 11th Street, and found two middle-aged victims, a woman and her boyfriend, who had both been beaten and stabbed inside their second floor apartment.
The 64-year-old man was pronounced dead at the scene, and Ruby Green, 54, was taken to University Hospital where she was pronounced dead.
Police are talking to neighbors to try to find out what might have led to the killings.
The identity of the male victim has not yet been released.
At this point, there is no one in custody and the motive is not known.
The investigation is continuing.