I must clarify that I don't have access to real-time information, and my knowledge is up to date only until 2023. Moreover, any specific incident or development after that date would not be known to me.
Hypothetically speaking, if a US soldier, like Private Travis King, were to run away and enter North Korean territory, the situation would be extremely serious and potentially result in severe consequences both from a military and legal perspective. The military consequences and charges he could face might include:
Desertion: Running away from one's assigned military duty or unit is considered desertion, which is a serious offense in the military. It is a violation of the Uniform Code of Military Justice (UCMJ) and can lead to significant penalties.
Missing Movement: If a soldier's actions result in missing a scheduled military movement, such as a deployment or a critical operation, they could be charged with missing movement.
Violation of Orders: A soldier who leaves their post without proper authorization is also likely to face charges for violating direct orders.
Article 99 - Misbehavior before the Enemy: This article in the UCMJ addresses conduct that brings discredit upon the armed forces and is committed in the presence of the enemy. This offense can carry severe consequences.
Violation of Security Protocols: Unauthorized entry into a hostile foreign country may compromise sensitive military information and result in charges related to security breaches.
Destruction of Government Property: If the soldier used military equipment or vehicles to cross into North Korean territory, they might face charges for destruction or unauthorized use of government property.
Foreign Cooperation with an Enemy: If it is determined that the soldier provided aid, support, or cooperation with a foreign enemy (North Korea, in this case), they could face charges related to espionage or treason.
It's important to remember that the UCMJ and military justice system are robust, and any military personnel involved in such an incident would be subject to a thorough investigation. If Private Travis King were to return to the US, he would likely face a military court-martial, where the charges and evidence would be presented, and a legal process would determine his guilt or innocence.
This response is based on a hypothetical situation and general knowledge of military justice as of 2023. If any real-world events have occurred since then, I would not be aware of them.