No, BLM protests when a cop kills a black. You are saying that cops only kill criminals. https://www.washingtonpost.com/opinions/another-black-boy-was-killed-by-police-its-time-for-more-than-hashtags/2017/05/02/03ced94e-2f66-11e7-9534-00e4656c22aa_story.html for just one example among far too many.

Blacks civilians killing blacks is a completely different matter.