Haley Joel Osment Police Body Cam Shows Him Use Slur, Alleged Cocaine

6:42 PM PT -- Haley Joel Osment tells TMZ ... "I’m absolutely horrified by my behavior. Had I known I used this disgraceful language in the throes of a blackout, I would have spoken up sooner. The past few months of loss and displacement have broken me down to a very low emotional place."

Haley is referring to the loss of his home and belongings during the Eaton Fire this past January.

Haley's statement continues... "But that’s no excuse for using this disgusting word. From the bottom of my heart, I apologize to absolutely everyone that this hurts. What came out of my mouth was nonsensical garbage - I’ve let the Jewish community down and it devastates me. I don’t ask for anyone’s forgiveness, but I promise to atone for my terrible mistake."

Haley Joel Osment was in the back of a police car on his way to jail when he called his arresting officer a "Nazi" and a Jewish slur ... at least according to police body cam footage.

TMZ just obtained the video from Haley's arrest at a California ski resort and you hear him calling the cop driving him to jail a "f***** Nazi" and the "K" word.

Video also shows the moment cops claim they found cocaine in Haley's possession ... and the drugs appear to be concealed in a $20 bill.

The footage backs up what we first reported ... that Haley dropped some offensive labels on the cop who was arresting him at Mammoth Mountain.

You can see the cops take the alleged cocaine as evidence too ... and Haley was ultimately charged with two misdemeanors ... possession of cocaine and disorderly conduct under the influence of alcohol in public.