Accident! 12-year-old American girl misses her cousin and herself in live broadcast

On March 25, local time, a 12-year-old American girl accidentally shot and killed her 14-year-old cousin while broadcasting live.
The live video showed the girl pointing a gun at the boy's head. The gun shot accidentally while she was speaking. Then the boy fell to the ground, and the gun accidentally shot when the girl reached for the gun. Both were confirmed dead.