Please uncrypt this message follow insturctions.

1. We received the following ciphertext which was encoded with a shift cipher:

xultpaajcxitltlxaarpjhtiwtgxktghidhipxciwtvgtpilptghlxiwiwtxgqadds

• Perform an attack against the cipher based on a letter frequency count: How many letters do you have to identify through a frequency count to recover the key? What is the cleartext? What is the Key?
• Who wrote the original message?
• Document your methodology and any tools and web sites that you used, as if this was a law enforcement case and your work is to be introduced into evidence.