Within minutes of the Manchester attacks, the injured were arriving in hospitals; within hours the suspect was identified, all because of well-rehearsed protocols likes these.
But that hasn't stopped his critics from ignoring it entirely.
Speaking to the residents in a city showing its resilience.
We sent photographer Christopher Bethell to capture his hometown in the wake of Monday's attack.
We spent the last three days meeting residents, to understand how the city is coping with Monday's attack.
We spoke to Bataclan survivors and people in Brussels and Berlin about the way a city is forced to deal with the ramifications of an attack.
We were at the vigil in the wake of the Manchester attack.
Thousands of people have gathered in Albert Square.
Calling bullshit on "virtue signaling," snowflakes, and misleading memes.
At a time like this, find solace in the music and relationships that can shelter you from trauma.
Security analysts suggest it's likely the attacker had co-conspirators.
The Prime Minister will speak to press outside 10 Downing Street.