[McGruff]

...employees tried to stall him by pretending his fries weren’t ready while they called police...

Very brave but stupid given his recent history.

[Blue Jays]

If I thought I was the minimum-wage cashier for a psychotic killer it would be the best customer service experience of a lifetime.
Even if no wait I would supersize meal at no extra cost plus include an apple pie ("Caution: filling is hot") as an extra self-preservation step.