There is much debate regarding whether or not BLM is antisemitic. However, not only does their charter contain antisemitic doctrine, but promo for BLM events is clearly antisemitic, as is rhetoric from leaders of the movement.

Need examples? Check out this article from The Post Millennial:

Black Lives Matter Stands Against Israel

And I will bless those who bless you [Israel],
And the one who curses you I will curse.

~Genesis 12:3