How do I notify hotmail an account is violating a minor child?

I have a stalker that has invaded my life for two years, and also my minor daughter, recently a facebook account forwarded me a conversation where she was trying to get them to give her info on me and my minor child, both our names are listed in the email. I am very uncomfortable, and yes its been turned over to authorities if you would like verification I will gladly produce documents and online access, I dont know how many email accounts she uses from her IP address, she has used so many alias and made so many facebook accounts its scary. Please can someone from Microsoft return my email or if phone I can also do that. I have the email and can forward or fax it to you