Its not about the federal govt doing much of anything. These are local issues with local policing agencies, and coming up with some structural reforms in the way police forces do what they do to protect people, while still allowing cities the protection and security of what police do well.
Its up to mayors, city councils, governors and state legislatures and county officials work with law enforcement and the minority community leaders, and come up with plans that will provide some confidence that this issue will be taken seriously.
As for the riots, remember a lot of young folks have nothing to do, no place to go, no other options and a lot of frustration in the middle of summer heat waves. Part of this is about a pandemic that has closed down all the alternatives. Normally riots like these dissipate when rioters have to choose between an 8 hour shift that covers the electric bill, or losing it to someone who is not protesting for the 12th day in a row. Or between getting a suspension from school, or studying and showing up for the midterm.
There are natural forces at work in any city besides a citation or pepper spray that work in favor of return to normalcy that simply aren't this time. It sure does not help that every week we end up with yet another controversial death at the hands of some cops, and another story of a young man dying with his back turned and twenty bullets being sprayed. It also does not help that media wants us all to take sides constantly and instantly based on politics, so they can feed the beast, and get payed for it.