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 can't comprehend it. I just can't,' she told King 5 News. 'Even though she was a handful, I'm sure, I can'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 Bonney Lake, Washington, discovered by cops . One neighbour said she used to hear the family arguing outside .