Police forces don’t reduce crime, and it’s laughable that anyone could still think so after this many years of empirical data showing that increasing police presence and funding is not correlated with a decrease in criminality. Improving economic conditions for lower classes, however, is correlated with reduction in criminality.
Biden admin didn’t end title 42, they ended the pandemic which prevented them from continuing the policy, and so now they’ve gone back to Trump Era policy of refusal at the border for anyone who came through another country along the way, a definitive violation of international refugee laws. Even that only happened after years of use of Title 42 to deport hundreds of thousands of refugees and migrants a year.