The 7-year-old girl shot in the head by her mother during a murder-suicide that killed her sisters has died after five days of fighting for her life in the hospital. Olivia Blackmer died at Primary Children’s Hospital in Salt Lake City on Saturday afternoon,

Olivia Blackmer, 7, was the lone survivor of a Feb. 10 murder-suicide in Byron, Wyoming, by which her three sisters and mother died last week.

Harshman was found in her bedroom with a gunshot wound to the head but was still breathing when officers entered.