A shocking recording of the Rachael Ostovich domestic violence incident has surfaced -- in which her MMA fighter husband allegedly screams, "I'm going to f**king murder you."
A neighbor used a cell phone to record the scene on Nov. 27 -- when Arnold Berdon allegedly brutalized Ostovich during an argument at their home in Hawaii.
The footage is mostly dark -- but you can definitely hear voices.
In the video, obtained by Hawaii News Now, you can hear a male voice make several threats .