In the 30's when Blacks were much poorer - even relatively - than they are today, their crime stats were better than comparable "whites." They were less likely to have illegitimate children. Less likely to commit serious crimes.
What happened? Seriously.
There were fewer of them and society as well as law enforcement in general kept them under better control.
Now we have more blacks running around, and now society is afraid to keep them under control.
Sure there are blacks that are fine and dandy citizens like Thomas sowel or Morgan freeman because they don't "act black" they act just like a normal person. But there is a large amount of them that are basically animals, and you have to train animals and teach them how to behave and keep them in line.
We don't keep the savage blacks in line anymore. They are free to roam.
They are uneducated and our society tries to lower the standards of non black students instead of pushing blacks to be smarter.
We give blacks that are unable to get better jobs on their own jobs they aren't qualified. So instead of encouraging them to be more ambitious, and smart we give them jobs others have to work for in the name of diversity.
We either glorify black criminals or hide them. George Floyd was a black criminal dopehead felon thug that was arrested and died because he was high, committed a crime and then resisted arrest but society said it wasn't his fault, built statues of him, destroyed towns in his name and worshipped him. If a black guy shoots a white person they won't mention his race, but he is killed by a white person they mention his race.
We scream at whites for being racist even when they aren't, but we allow blacks to be on national TV calling whites racist. If a white guy beats a black guy it's a hate crime, if a bunch of blacks best a white person then it isn't a hate crime.
We encourage black culture as well. Like the whole we need to support ebonics which was just a butchering of the English language. We promoted blacks in movies and shows really acting like a stereotypical black. We let gangster rap and rap become a American staple of music. We encouraged the gangster attitude and hoodrat mentality.
The list goes on and on and on. But the bottom line is things got much worse because our society promotes black savage animals criminal thugs because we're afraid of them and afraid of others thinking we hate them.