When tragedies like school shootings happen, journalists quickly follow in huge numbers, putting communities in the world's spotlight in their worst possible moment.

The tragedy at Robb Elementary School has parents in a position where they have to explain what should be unimaginable.

It’s just about impossible to talk about Tuesday (May 24) afternoons massacre without also thinking about another elementary school shooting almost 10 years ago when 26 people were killed at Sandy Hook Elementary in Connecticut, including a mother who lost her seven-year-old daughter.

Some relatives of the victims of the 2012 attack on the Sandy Hook Elementary School in Newtown, Connecticut, who channeled grief into advocacy have claimed success, gradually, in areas including gun safety, attitudes around gun violence, and mental health awareness.