in just a few minutes, we're expecting president biden to lay out his plans to reduce crime. we know that cities are experiencing a surge in gun and violent crime. 32 cities or counties in the nation's largest police ju jurisdictions have seen increases in homicides and aggravated assaults compared to the time last year. >> we're tracking the situation around the country. >> reporter: city officials know the mountain of tasks they have ahead of them. murders are up more than 30% compared to this time in 2019. close to 60% when it comes to shootings. that's why they're targeting specific zones the mayor says are responsible for more than 50% of the violence in the city.