This is an incredibly powerful piece.
The families of the victims of the Paris attacks have heartfelt received messages of support from all over the world over the past two weeks.
Now they have been sent messages of empathy and advice from four individuals who have the desperate misfortune of knowing their pain - Terrease Aiken, Juliette Candela, Francesca Picerno and Joseph Palombo.
Those four people all lost their parents when terrorists attacked New York on 9/11.
Vox spoke to them this week and here are their words of support for the families of the people killed in Paris.
https://www.youtube.com/watch?v=D_A-sj6QCQg
