While officials continue to try and track down others who may have been involved with the suicide bombing at a pop concert at the Manchester Arena, we're getting a better picture of what happened on that fateful night.
The New York Times has been able to obtain evidence pictures from the scene.
From that, we know that the bomb used was hidden in either a vest or some sort of napsack.
There is evidence of nuts and screws used to make the bomb 'dirty', with an intent to kill or injure more people.
Also, there is a detonator, believed to have been held in the left hand of the man who exploded the device.
You can see in one of the images, his torso was found some distance from where the explosion happened.
In all, 22 people were killed, most of them children. More than 100 others were killed in the attack.