A hearing is set for Tuesday to determine whether Christian Castro should be kept in custody. The Texas governor has expressed doubts about Castro's status as a fugitive subject to extradition. The governor has stated that the state is still investigating the matter.

This ongoing investigation is a factor in the governor's decision to question Castro's extradition status. Further details about the case and the upcoming hearing are available from the source. The outcome of the hearing will determine the next steps in Castro's case.