وَمَن يُرِدْ فِيهِ بِإِلْحَادٍ بِظُلْمٍ نُّذِقْهُ مِنْ عَذَابٍ أَلِيمٍ
“And whoever intends therein [in the Haram] [a deed] of deviation [in religion] or wrongdoing, We will make him taste of a painful punishment.”
On the punishment for wrongdoing within the Haram.
Cited by the lecturer alongside the Prophet ﷺ's sermon on the sanctity of the Haram.