sentences:  The Due Process Clause requires provision of a hearing "at a meaningful time," and here the delay stemmed in part from the thoroughness of the procedures.Justice Marshall concurred in Part II and in the judgment, stating that before a decision is made to terminate an employee's wages, the employee should be entitled to confront and cross-examine adverse witnesses and to present witnesses on his own behalf whenever there are substantial disputes in testimonial evidence.Justice Brennan concurred in part and dissented in part, expressing the view that the record was insufficiently developed to permit an informed judgment on the issue of administrative delay and that the security guard's case should be remanded for further evidentiary proceedings.