s bruce gore gone is live at police headquarters. bruce? >> reporter: lucy, within the last just couple minutes, police have now released the identities of the shooting victims. a 66-year-old adeline hill and her 42-year-old daughter renee' cos sum. lacking evidence of any kind of a break in, police are now wor working under the theory that cossum's 39-year-old boyfriend who lives with the women pulled the trigger. >> light snow fell on the 1200 block of green bee street tuesday but the only sound came from the generators on the tv news trucks. a sure sign something was very wrong on this normally quite reasonable street. long-time resident shook their heads in dismay. >> i've been here since 1996 and the getting worse. >> reporter: 22 years and things are getting worse. >> um-hmm. >> reporter: philadelphia police say 911 call brought them to 1234 green bee just after 11:00 monday night. when they arrived they found a 62-year-old wheelchair bound woman and her 42-year-old daughter lying dead on the floor. both shot in the head. the younger woman's 39-year-old boyfriend answered the door. he's now in police custody. >> the investigation is still very early in its stages went still