Nephew of missing Grenfell Tower resident posting missing posters

The video transcript outlines a plan to distribute printed materials. The speaker discusses printing copies at a Methodist Church and distributing them at various locations, including outside the church and a rugby club. They coordinate with family members for additional support, mentioning a visit to the hospital and involving an uncle who knows many people.

What did the speaker do to ensure their grandmother did not see the information?

What was the reason for the speaker's uncle being called?