Here are some great websites to learn about what's called Gang Stalking. I won't even try to tell you about it. Instead I will let the brave people who have created these websites tell you. This is very important stuff. I hope I catch one these stalkers around me.
www.multistalkervictims.org
www.gangstalking.ca
www.c-a-t-c-h.ca
www.eharassment.ca