What is the test for showing good cause on a motion to impeach a police officer?

"To show good cause as required by [Evidence Code] section 1043, defense counsel's declaration in support of a Pitchess motion must propose a defense or defenses to the pending charges. The declaration must articulate how the discovery sought may lead to relevant evidence or may itself be admissible direct or impeachment evidence." (Warrick v. Superior Court (2005) 35 Cal.4th 1011, 1024 (Warrick).) "Counsel's affidavit must also describe a factual scenario supporting the claimed officer misconduct." (Ibid.)

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