A community was left reeling after Byron, Wyoming, mother Tranyelle Harshman killed her four children and then turned the gun on herself on February 10. Three of Harshman’s four daughters died at the scene, but 7-year-old Olivia succumbed to her injuries at a local hospital on Saturday, Feb. 15.

The 7-year-old girl who was hospitalized after being shot by her mother in an apparent murder-suicide has now died, following the deaths of her three sisters.

The 7-year-old surviving sister of a Wyoming mom's murder-suicide that killed her three young siblings has also died. Tranyelle Harshman shot her four daughters on Monday, Feb. 10.

Tranyelle Harshman's husband and ex are feeling waves of grief and anger, after she shot her four daughters -- only one of whom survived -- and then herself.

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 and her three sisters were shot by their mother, Tranyelle Harshman, in their Byron, Wyoming, home Feb. 10 before Harshman turned the gun on herself, according to the Big Horn County Sheriff's Office. Brailey, 9, Brooke, who was almost 3, and Jordan Blackmer, 2, all died at the scene.