Grandma was downstairs preparing food in the kitchen when the gun discharged, killing the child.
http://www.cnn.com/2016/05/11/us/detroit-girl-shoots-herself/index.html
...At least six children have shot and killed either themselves or a parent in the U.S. since April 20 [2016]....
Spate of shootings by children leaves kids, mother dead
http://www.cnn.com/2016/04/28/health/shootings-by-children/index.html
"These fatalities are unintentional, but they're not accidental," said [Jonathan] Hutson, former spokesman for the Brady Campaign to Prevent Gun Violence. "They're foreseeable and preventable."
http://www.cnn.com/2016/05/11/us/detroit-girl-shoots-herself/index.html
...At least six children have shot and killed either themselves or a parent in the U.S. since April 20 [2016]....
Spate of shootings by children leaves kids, mother dead
http://www.cnn.com/2016/04/28/health/shootings-by-children/index.html
"These fatalities are unintentional, but they're not accidental," said [Jonathan] Hutson, former spokesman for the Brady Campaign to Prevent Gun Violence. "They're foreseeable and preventable."