doesn't sound a pleasant experience at all, but its good to know the Police are taking the previous incident seriously. Its thought that this nutter had also raped a 19yr old a few years ago, so can understand their nervousness in the area.
It will be difficult for a passer-by to interpret a RA hunters activity in any other way than odd, because I suppose it is :-)
On each of my RA ventures, I tend to carry a big purple slimcase/clipboard:
http://www.nicetoys.com/images/dexSlimcaseColors.jpg
It gives folks the impression of officialdom, apparently!!
Don’t give up Treehugger, I’m sure you’ve had your one & only bad experience.