Seeing a roach in the kitchen during the day or noticing pepper-like droppings...

https://www.beacon-bookmarks.win/living-here-in-new-london-i-ve-seen-enough-roach-infestations-to-know-they

Seeing a roach in the kitchen during the day or noticing pepper-like droppings in your cabinets is a clear sign you’ve got a problem. In New London’s older homes, they love hiding near moisture