Can a search warrant issue for a private residence based solely on the uncorroborated statement of an anonymous citizen informant?

QUESTION(S) PRESENTED 1. Can a search warrant issue for a private residence based solely on the uncorroborated statement of an anonymous citizen informant? 2. Is an irrebuttable presumption of probable cause established for a search warrgant of a private residence when supported solely by statements given by an anonymous citizen informant? 3. Where an affidavit for search warrant contains information obtained through an illegal search, which represents the corroborating evidence to allegations made by an anonymous citizen informant, is the fact of the illegal search relevant to the determination of the totality of the circumstance or may it simply be ignored?