(TEXAS TRIBUNE) - Gov. Greg Abbott has asked a federal judge to reject Minnesota's effort to force the extradition of an immigration officer arrested in Texas, saying he has "serious concerns" whether the officer is actually a fugitive from justice.

Abbott said state officials are still investigating whether Christian Castro, who is being held in Cameron County Jail, can be classified as a fugitive because he didn't flee Minnesota but was apparently reassigned to Texas by Immigration and Customs Enforcement.

Authorities say Christian Castro, of the Immigration and Customs Enforcement agency, was taken into custody, 11 days after prosecutors charged him with assault and falsely reporting a crime.(Cameron County Sheriff's Dept./WCCO)Minnesota is also seeking a court order keeping Castro in custody beyond Thursday for fear he would "flee and avoid prosecution." In Texas, people awaiting extradition cannot be held longer than 90 days.