Once you pull up the company you want, you can see this in bright red ink:
The $20 doesn't get you much, but you can at least see a listing of the last 5 filings. If you want to dig further, you can cough up some more fees and purchase copies of the filings, but they are not available at the click of a mouse. Perhaps you are familiar with the routine based on your Nevada corporate research?
If you buy a copy of the filing, it should show the name of who filed. No, the "$20 detailed information option" does not get you that.
If you are looking for the possible identity of that "someone," you can always try Google, using information from the complaint: