1. What facts must a plaintiff allege to state a claim for malicious prosecution against a California county and its sheriff under 42 U.S.C. § 1983, especially considering the heightened pleading standard this Court established in Ashcroft v. Iqbal, 556 U.S. 662 (2009)?

2. When a county sheriff is the country's chief law enforcement officer, can a plaintiff hold a California County liable under Monell v. New York City Department of Social Services, 436 U.S. 658, 694 (1978), by pleading he was wrongfully prosecuted based on an investigation led by the sheriff?

What facts must a plaintiff allege to state a claim for malicious prosecution against a California county and its sheriff under 42 U.S.C. § 1983, especially considering the heightened pleading standard this Court established in Ashcroft v. Iqbal, 556 U.S. 662 (2009)?