Isn't there the sex offender data base that tells you were they live. And don't they have to notify their neighbors.
And get promptly discharged. The military doesn't fuck around when you disobey order,
Chain of Custody is only improved with the implementation of Block Chain. That is exactly what Block Chain is best used for.
This isn't a smart move. His letter of resignation is a request, the Marine Corps doesn't have to let him go immediately upon request, and if need be will hold him for Court Martial. Article 89 of the UCMJ could really bite him in the ass.