In some ways the problem is just the opposite. SWAT teams adopt tactics of rushing in without recon or attempts to negotiate because they spend their days serv

In some ways the problem is just the opposite. SWAT teams adopt tactics of rushing in without recon or attempts to negotiate because they spend their days serving no-knock warrants for suspected drug dealers. If they had experience dealing with violent people they'd behave a lot more like, e.g., the US army in Iraq and knock down a lot less doors.