st8 up G, ur right dood, but they r right too. the chances r low, unless the whole traffic, ect.. goes on, but depending on where u live, how old u r, wat ur bakround is, how many people u kno, how many people kno of ur grow, there r soooo many things to consider. if u live in the boooonies, i hav no idea. but i live in so-cal, and around here they look for good size grows, most likey yes, they see ur grow, do they act upon it? who knos, (until u do of course) but all and all, yea they CAN c ur heat, they see ur body heat if camera is adjusted right!!!