South Grant anticipated everything. Yesterday, she had Dodo and Didi briefed thoroughly, so that after Felicity Grant reported to the police, no matter what the police asked, she would act as if she were too scared to say anything.
Anyway, Marcus Shaw was unconscious and unable to speak, so Felicity Grant could stall, stalling until this morning to relay everything to the police.
Then by noon, when the students were blocking the entrance, everything happened right on time, allowing all the students and media to know about Marcus Shaw's suspected arson, his grandfather's cover-up, and attempts to evade responsibility by pressuring the principal.
Once the media exposes them, Marcus Shaw's grandfather will find it much more difficult to use personal connections or networking behind the scenes.
