A mother fatally shot her wheelchair-bound teenage daughter before turning the gun on herself in an alleged murder-suicide . Police were alerted to the incident after the woman 's boyfriend , 35 , returned home from work and found both her and her 16-year-old daughter dead around 10.30pm on Friday . A note written by the mother , 36 , - named by neighbors Sarah Cieslikowski - was found by police at the house in Bonney Lake , Washington . Tragedy : Sarah Cieslikowski ( left and right ) allegedly shot dead her 16-year-old daughter before taking her own life on Friday . A mother fatally shot her wheelchair-bound teenage daughter before turning the gun on herself in an alleged murder-suicide at their house on this road in Bonney Lake , Washington , on Friday . Patsy Warner , a neighbour , said that she often heard the two arguing in the garden when the school bus arrived but could not believe what had happened . ' I ca n't comprehend it . I just ca n't , ' she told King 5 News . 'Even though she was a handful , I 'm sure , I ca n't comprehend that . ' Ed Troyer , Pierce County sheriff 's spokesman , said that although the police investigation was ongoing a murder-suicide was likely . He said : 'There 's nothing to tell us any different at this point . ' The mother and daughter 's names have not been released officially - but counsellors will be available for students and staff at the nearby Bonney Lake High School . The mother and daughter 's names have not been released - but counsellors will be available for students and staff at the nearby Bonney Lake High School ( entrance pictured above ) For confidential support on suicide matters call the National Suicide Prevention Lifeline on 1-800-273-8255 or see www.suicidepreventionlifeline.org for details .
Mother 's boyfriend found two bodies after returning from work on Friday . Named by neighbors as Sarah Cieslikowski . Note written by Cieslikowski , of Washington , Bonney Lake , discovered by cops . One neighbour said she used to hear the family arguing outside .