Why is Dave a security guard that isnt a guard hired by S&F being able to threaten their customers, be rude, n insinuate that any of their custimers are liars n thieves.

That's not really a question

You can make a complaint with the security company, and or you can talk to the manager. And, you can find their corporate address or phone number by going to GetHuman.com Hope this helps you.

Maybe you can file a complaint with the security company or the store manager.

*customers