[Lmo56]

“He doesn’t have to be Mirandized as it clearly falls under a Miranda exception of public safety concerns.”

Absolutely correct.

However, he can still invoke voluntarily.

I always advise invoking - whether under arrest or just being questioned. Before the cops even get a chance to say anything, you state that you want legal representation. Then, they can't talk to you.

[Stormdog]

“I always advise invoking”

That bears repeating.