History shows how the act of remembrance has changed over time.
The French flag flies over flowers, candles and messages in tribute to victims outside the Le Carillon restaurant a week after a series of deadly attacks in Paris, France last November.
Charles Platiau/Reuters
It is probably not a surprise that a terror attack can have a major impact on people’s mental health. But what sort of effects are common, and how long do they last?
The Brazilian’s death showed a major human weakness.
PA/Johnny Green
The death of the Brazilian electrician at the hands of the Metropolitan Police was a notorious case of mistaken identity. The same thing would probably happen today.