How I documented moisture in a crawl space without causing unnecessary alarm

It happened to me during a normal shift, during a home inspection in older houses where buyers read every photo nervously: I found moisture in the crawl space, but there was no obvious structural damage. The symptom that made me investigate it seriously was that the smell was faint, the vapor barrier was moved, and a downspout was discharging nearby. I preferred not to improvise, because a quick…