This appears to be a news topic that you’d like more information about. After conducting a search, I could not find any recent news articles or reports about the Israel Defense Forces (IDF) investigating soldiers for the claim you mentioned.
It’s important to note that information about military operations and potential misconduct can be difficult to verify due to confidentiality, national security, and the sensitive nature of the subjects. Please consult reliable, authoritative news sources for the most recent and accurate information. If this is a recent event, details might not yet be widely available or reported.