I've never done any sort of wiring through walls, so i was pretty unsure how this would all turn out.
How To Snake Cable Through Walls. A cable snake is a bundle of cords that have been enclosed in some form of cable wrap to keep them neat and organized. Assuming uninsulated wood stud wall covered with drywall.
Snake Wires Through Old Walls - YouTube from i.ytimg.com
An alternative that is less likely to leave any trace is a cable cover. Monoprice.com subscribe to our channel: Snake them through baseboard accessories.
Two (2) existing construction gang boxes.
The job can be messy, but it is doable, largely. This may involve fishing it through another wall cavity, or out a hi argie, the best tool to use for snaking wires is a fish tape like the one shown in the article above. And depending on how cables are run through the wall, it may also break the regulations within the nec (national electric code). Even you are the first time to run security camera cabling, you can install your security camera wiring through attics/walls, for your front/back door, reception room, front/back.
