Why do you kill each other then get mad when others do the same?
Just as in #3, this question has a lot to do with how the media portrays African Americans. Many Africans hear news of African Americans killing each other in places like Chicago and do not understand why the outrage and protests over police brutality.
But movements such as Black Lives Matter do not deny the reality of Black on Black crime. Rather, Black Lives Matter is a structural movement to address a biased and unfair policing and justice system that harshly punishes Black people for offense while those killing Black people are rarely punished.
Sure, Black on Black crime must be dealt with but this does not take from the importance of combating police brutality and the over-criminalization of Black bodies, a practice Africans such as 23-year-old Guinean Amadou Diallo who was shot by cops 19 times in the Bronx, are victims of.
