exterminator for rats
https://myrodentdroppingscleanupdesk.swiftnestly.com/posts/rodent-droppings-cleanup-a-practical-guide-for-homeowners
I had rats in the attic, and it was driving me nuts—scratching at night, chewed wires. I called an exterminator who didn't just lay poison, they sealed entry points and tracked the population with camera traps. It took patience, but the noises stopped within a week.