WATCH: Video: White woman refuses black man entry into building

WATCH: Video: White woman refuses black man entry into building

Transcript for Video: White woman refuses black man entry into building

St. Louis, a confrontation caught on video. A white woman blocking a black tenant, demanding proof he lives there. You’re about to hear what she said, and how he responded. Here’s linsey Davis. Please move, ma’am. Reporter: The video reeks of a recurring phenomenon. I can. Do you live here? Reporter: This time in St. Louis. D’arreion Toles was returning to his apartment Friday when he was confronted. All I am asking is what unit. I don’t need to tell you that information. If you want to come into my building — It’s not your building. You’re not the owner. Reporter: Millions have watched Toles’ cell phone footage. Ma’am you are not security, and you are not the property manager. I live here. And I live here, too. Reporter: When he ultimately moves past Hilary Mueller — No. Excuse me. No. Are you kidding me? Where are you going? Reporter: She gets in the elevator with him. I want to know who you are going to see. Reporter: And follows him. You just followed me all the way to my door. And you see the keys in my door. Reporter: Mueller has now been fired. Her former employer, tribeca stl, saying the company never will stand for racism or racial profiling. Linsey, you were telling us about 30 minutes later, she then called police? She said she felt uncomfortable with her being there. But Toles says he hopes she will be left in peace. Linsey, thank you. A major headline that could involve a candidate for 2020.

This transcript has been automatically generated and may not be 100% accurate.

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