The court appointed an investigator to search for the 62 inmates in the film.
Or she may ask an employer to appoint an independent investigator to make a nonbinding recommendation.
The Attorney General of the Republic at the federal level appointed a special investigator to his case.
Congress must appoint a special independent investigator to report publicly on actions of U.S. officials in this case.
The Mexican authorities say they are looking into the disappearances and have appointed a special investigator, but not one case has been resolved.
In August it strongly condemned "ethnic cleansing" by all parties to the conflict and appointed an investigator to look into human rights abuses.
The agency then appointed an investigator to look into the matter.
Last month, a state judge appointed a special investigator to study the case.
He's going to ask the District Attorney to appoint a special investigator to look into his son's death.
Mr. Madrazo has appointed a special investigator who is gathering evidence, but so far no police officers have been arrested.