SA’s movements within the Victoria Exchange Complex are set out in Figure 2.
During the period between 20:30 and 20:51 he moved from the tram stop to the City Room, stopping for a period of 12 minutes in public toilets en route. This movement is shown by the red line in Figure 2.
He spent the period between 20:51 and 21:10 in the City Room on the mezzanine. At 21:10 he left the City Room and made his way back to the tram platform, where he arrived at 21:13. This movement is shown by the green line in Figure 2.
At 21:29 he began his final journey to the City Room, where he arrived at 21:33. He positioned himself on the mezzanine. At 22:30 he descended from the mezzanine. At 22:31:00SA detonated the bomb he was carrying. His movements during this period are marked by the yellow line in Figure 2.
Figure 2: SA’s movements on 22nd May 2017 from 20:30
I will now consider each time period in more detail.