If an adult goes missing:
• Double check with other family members, work, school, and friends that the person has not shown up as planned. Ensure the person is missing, not on vacation or on some other logical, planned absence.
• Determine if any of the missing person’s personal belongings are missing.
• Check for a letter or note left by the missing person.
• Contact the local law enforcement agency to file a missing person report.
• Provide law enforcement with the needed personal information, namely the missing person’s full name, age, date of birth, sex, race, hair and eye color, date last seen, last known location, known vehicle information, and recent photo.
• Ask if the agency would like DNA, fingerprints, dental or medical records of the missing person.
• Obtain the case number and request a copy of the missing person report from the investigating agency.
• Obtain the NIC number for the NCIC entry into Missing Persons File.
• Request the name direct telephone number of the detective or investigator assigned to the case.
Notify the National Clearinghouse for Missing Adults at 800-690-FIND (800-690-3463).
• Create and circulate posters of the missing person except in locations prohibited by city codes. Do not list your personal contact information on a missing person poster.
• Check with local hospitals, jails and medical examiners.
• Notify the investigator of any tips or leads on your missing person.
• Notify the state and national clearinghouses when the missing person is located.
• Contact the local news media to help broadcast information about your missing person.
Source: National Center for Missing Adults