evidence: The Maine State Police Major Crimes Units often assist other law enforcement agencies with or fully investigate reports of missing persons, especially if suspicious circumstances exist. Our objective is to locate these missing individuals and pursue justice against those who caused their disappearance or death through criminal means. You will find information on many of the missing persons cases being investigated by the Maine State Police in this area of our website. We urge anyone with information regarding any missing persons case to contact us or the investigating law enforcement agency. You may leave a tip here: Leave a Tip. Your tip will be forwarded to the Major Crimes Unit in the identified area.