https://twitter.com/GovRonDeSantis/status/1641575007552778243
Article IV, Section 2, Clause 2:
A Person charged in any State with Treason, Felony, or other Crime, who shall flee from Justice, and be found in another State, shall on Demand of the executive Authority of the State fro which he fled, be delivered up, to be removed to the State having Jurisdiction of the Crime.
If Trump is indicted in New York, both the U.S. Constitution and a federal statute dating to 1793 require DeSantis (or the governor of whatever state Trump is in at the time) to hand him over. And if DeSantis still refuses, a 1987 Supreme Court decision makes clear that federal courts can order him to comply.
https://www.msnbc.com/opinion/constitution-doesn-t-shield-trump-extradition-desantis-could-still-try-n1267347