The surveillance video, its images disturbingly clear, ends with a woman being burned alive in the elevator of a Brooklyn apartment building on Saturday.

But in the beginning, it seemed routine: a man dressed as an exterminator, wearing gloves, with a protective mask perched atop his head and carrying a container on his back, takes the elevator to the fifth floor.

Sometime later, an older woman carrying groceries took the same ride to the fifth floor.

Read the whole story at New York Times

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