Can police officers detain a suspect despite victim not wanting to press charges?

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Hey guys, Anthony Bandiero Here attorney, Senior Legal instructor for Blue to gold law enforcement training, bringing to the roadside chat from Joplin, Missouri. What a great place, by the way, my first time here, and it won't be my last. All right. So I have a question for Nasir. He actually doesn't say what state he's from. And his email addresses personal email address, but that's okay. And he wants clarification on detaining someone who committed a crime. But the victim doesn't want to press any charges. And then they want to know about, you know, can we still detain him, identify him, try to find out what his story is, and so forth. So this situation is this, they responded to a suspicious person called, of unknown subject, kno ...