Who says we need extradition treaties? Got a criminal, hand him over, simple as that. Any nation that does not abide by this simple principle doesn't have an extradition treaty with us anyway.
"Who says we need extradition treaties? Got a criminal, hand him over, simple as that. Any nation that does not abide by this simple principle doesn't have an extradition treaty with us anyway." Not the way it works. Or has ever worked.
The signing of extradition treaties was one of the very first developments in diplomacy -- codifying a reciprocal respect for the body of common law.
Want to throw that away and trust to luck and good intentions?