Not sure how to handle this - problems with kids / youths

I have had some on going problems with kids / youths in my neighbourhood. I was working all day from home, I needed a break and needed to get some food from a shop down the road, its a short walk

Its a bog standard road, not much traffic with a narrow path to walk on. A couple of kids, I would expect around 12 years old, on bikes on path approach in other direction. I had my mind on other things, but moved to right the edge of pavement to let them pass.

Just as the second kid passes me, he turns his head and spits at me. Was feeling shocked and angry. I am on change of medication, and was feeling drowsy from it. I turn round, and can see the first kid stopped on the pavement, turning round looking at me I feel to see my reaction.

Nothing I can do, I can't out run them on bikes. A couple of weeks back the same kids were hanging around on the pavment at the corner of my house for a long time, felt uneasy at the time about them. With medication I am on my feelings are not as heavy as they would be.

When I return home, I decide to report it online to the police. Have discussed earlier problems which have been more serious, but thought it would help me to just get it logged with them.

Now the police want to visit me, but after the experience with them after my assault at a music gig. I am feeling really bad about the visit, have felt let down by the police. 

Since my diagnosis, I feel I am being targetted because of my ASC, for being odd, a soft touch, but also because of other problems where I have had confrontation with neighbours, who think it is ok to dismantle the garden fence and use my garden as they please. 

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