It isn’t kidnapping. They are just simply trying to enforce immigration laws that are still on the books. They are not able to sustain the immigration influx and do not want free-loaders or the people of their respective states to be victimized by evil people who mix themselves amongst the hordes of illegals.
https://www.thegatewaypundit.com/2022/09/gov-newsom-urges-doj-investigate-shipping-illegal-aliens-republican-governors-gov-desantis-responds/