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.

Olivia Blackmer spent five days fighting for her life after she was shot by her mom in a horrifying murder-suicide that saw her three sisters shot dead but succumbed to her traumatic brain injuries on

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,

The seven-year-old girl flown to Primary Children's Hospital after she was found shot in an an apparant muder-suicide has died.A 7-year-old girl was flown to Pr