 In the 70s, the UT Tower shooting would speed up the spread of SWAT teams. We've seen a huge increase in the number of SWAT teams across the country, in how frequently SWAT teams are used across the country, and why they're used. Bradley Bauco is a journalist and author who covers police militarization and civil liberties. He says to pay for those special units, the federal government starts setting aside money for them.