Active
Mildred Marie Nickles
1,187 Days Without Answers
Case File
File Nº MP14509
21,870 Days Without Answers
Greene was last seen in Dundalk, Maryland on December 10, 1966. She left her four children in her father’s care at about 6:30 p.m. to go to the store and never returned. Her blue and white 1955 or 1957 Ford station wagon, with Maryland plate EX-7023, has never been located. Foul play is suspected. Her case remains unsolved.
Sources: Charley Project: https://charleyproject.org/case/mary-kathryn-greene; NamUs: https://namus.nij.ojp.gov/case/MP14509
Anyone with information about this case is urged to contact the investigating agency listed in the Case Details below or their local law enforcement agency.
United Search Corps email: tips@unitedsearchcorps.org
Case file last verified October 20, 2026 against the official sources cited above.
Additional details from the official case record, provided for identification.
Sources: Charley Project · NamUs
UNITED SEARCH CORPS
Someone knows something. Submit tips at unitedsearchcorps.org/submit-tip/. Every tip is shared with the investigating law enforcement agency.
United Search Corps · Finding Hope. Giving Peace. · unitedsearchcorps.org