suspicious visitor last night

Last night at about 12:40am I had just shut off my computer and was about to go to bed when there was a knock at my front door. My house is about 100 yards from the road and my driveway is gravel, dark, and lined with trees. I didn't hear a car come up the driveway so I assumed it must have been one of the few neighbors I have. I went to the door, turned on the porch light, and asked who it was. A woman's voice responded and said her name was Susan. I don't know any Susan. Without opening the door, I asked what she wanted and she gave me some BS about trying to find the store. Hmmmm. The nearest store is a few miles away on a different road. And it's sure not down a dark gravel road in the woods.
I had the pocket pistol that I normally have on me when I'm home. Thinking this was a potentially bad situation, I told the lady to hang on a minute, then I went to the bedroom and got a larger pistol.
When I got back to the living room and looked out the window there was nobody around. At that point I turned on all the outside lights and turned off all the lights inside.
In the end, nothing happened. I did call 911 and got a call back from a deputy. He said they'd have someone drive around the area and that was the last I heard.
Pretty odd stuff. It definitely kept me up longer than I planned. I think it was 3:00 when I finally went to bed.
I'm giving a 50/50 chance of two things.
A. She was drunk or high on something else and wandering around lost.
B. She had some associates with her and they were waiting for me to crack the door open.

On my way to the hardware store to buy a peephole now.
This is a pretty low crime area, especially for those of us who live back off the road a bit. From what I've heard, most of the problems with theft over the years have been at the houses right on the road where people can get in and out quickly.
In hindsight, what I should have done is gone into the bedroom nearest the front door. It's a good spot to see who is at the door and talk to them.

ChipTam said:

I would suggest a third scenario. Scenario C has been happening regularly in rural areas around here in Michigan. Person or persons knock on the door. If they get a response they say they're looking for Fred, Ralph, Harry, Barbara, or a local business. If they don't get a response they break in. This has been happening in the middle of the day as well as at night.

Click to expand...

I know that's a popular method. But in my situation, I was probably the only house around with signs of life at that hour. I had lights and the TV on. The light of the TV would be obvious from the front of the house and I'll bet they could hear it from the porch.
It's possible the lady WAS inebriated and lost and picked my house because it was the only one around with lights on.

I like the idea of a driveway alarm and always thought it would be something I'd get when I got a house. After getting my house I felt it was pretty safe here and kind of forgot about the alarm idea.
I would get a gate but I share my driveway with one neighbor and I'm sure they wouldn't want one. We keep a close eye on each other's places and it's unlikely anyone can get down the driveway without getting noticed.