‘This whole thing could have been avoided’: Neighbors say they warned cops about man who allegedly hacked college student to death in random library stabbing
![‘This whole thing could have been avoided’: Neighbors say they warned cops about man who allegedly hacked college student to death in random library stabbing](https://co-a2.freetls.fastly.net/co-static/images/ph-large_2x.png)
Violent Crime
Onlookers reportedly watched in horror as Jeffrey Yao repeatedly stabbed the woman with a 10-inch hunting knife