Facebook Privacy Question?

[Shelby]

I recently made a Facebook and have been playing with picture/video privacy settings. When you customize the privacy settings, say of a picture, so that only certain people can see it, then you tag someone in it, does that mean that now, in that person's tagged photos, everyone can see it and click on it even though you set the privacy settings?

Same goes for video. Does tagging sort of eliminate the settings?
Because I posted a video which I had set so only a few people could see, but I tagged someone in it. He messaged me to delete it but I said only a few people could see it, but he said no everyone can see it. I checked the privacy settings, and they were correct. But the video showed up on his wall. Was he just mistaken?

[JLSfan1992]

if you make your photos/videos private and then tag someone in that photo/video it will undo the privacy settings

[Sarcastictrail471]

If you tag someone with your videos/pictures, that undo the privacy settings that you edited.