mold behind drywall near plumbing 84

https://moldbehinddrywallplumbingnotes.brightsora.com/posts/how-to-spot-mold-behind-drywall-near-plumbing-in-a-rental-home

Every time I walk into the basement, that musty smell hits me. I finally tore back the drywall near the plumbing, and there it is—a patch of black mold creeping along the backside, right where the pipe had a slow leak. It's a real mess, and I'm worried about how far it's spread into the wall cavity.