A 9-month-old boy found dead in a Pittsburgh-area apartment is believed to have starved after his mother died of an apparent overdose . The woman 's brother found the two dead early Friday morning when he went to check on his sister . Sara Kessler , 22 , had not been heard from for several days , Assistant Allegheny County police Superintendent James Morton said . Morton said Kessler may have died a week or two earlier . Scroll down for video . Sara Kessler ( pictured ) lived with her 9-month-old son Casey on the second floor of an apartment block in Millvale , Pennsylvania . They were found dead by her brother after he had n't heard from her for several days . She was found on her bed , with the son , Casey , found in the living room . He said there were no signs of foul play . 'It 's a very sad situation in there , ' Morton told reporters outside the apartment in Millvale , just across the Allegheny River from Pittsburgh . 'It seems like he [ the infant ] tried to survive but there was no food or anything for him to have . ' 'It looked like he was trying to get around somehow by himself for who knows how long . ' The woman 's mother died of natural causes in the same apartment in November , Morton said . Police suspect the woman died of a drug overdose , and needles were found all over the apartment . A former resident of the building told CBS Pittsburgh that Kessler was a drug addict and said that the family had tried to get her help many times . Video courtesy of WPXI . Kessler was known to be a drug addict by other residents of the building and it is suspected that she died of an overdose . Casey 's body was found in the living room - he is thought to have starved to death . The Millvale apartment building where Kessler and her son 's bodies were discovered . One former resident says that a neighbor did hear Casey 's cries after his mother 's death . No one else lives on the same floor of the apartment building and so no one heard Casey 's cries . However , the same former resident claimed that a downstairs neighbor did hear Casey crying for up to two days but did n't report it . 'Now why she didn ’ t alert anybody , I don ’ t know . That baby never had a chance . ' Autopsies were scheduled for Saturday to officially determine the causes of death . Three house cats were also found in the second floor apartment . Police say the animals survived because of an automatic feeder . Kessler 's mother ( pictured with Casey ) had lived with her in the apartment until her death in November of natural causes .
A 9-month-old boy found dead in a Pittsburgh apartment is believed to have starved after his mother died of an apparent overdose . KesslerSara Kessler , 22 , and her son Casey , were found by Sara 's brother after he had not heard from her for several days . Sara Kessler was a drug addict and died of a suspected overdose . Needles were found in the apartment . Casey 's cries went unanswered for days , with a former resident saying a neighbor had heard him but did nothing . Sara Kessler 's mother died of natural causes in the same apartment in November . Three house cats survived due to an automatic feeder .