Kim Zolciak went running to cops earlier this month to accuse her estranged husband, Kroy Biermann, of looting her expensive crap and trying to sell it ... and it's all on video.
TMZ has obtained police body cam footage that was recorded a little over 2 weeks ago -- when KZ went to the police station to file a report claiming Kroy had taken a ton of her stuff hostage over the past year or so and then tried to sell some of it.
It's a little convoluted, and you can tell 'cause even the cop Kim's talking to doesn't seem to understand what it is she's reporting -- but eventually, she spells it out .