The following excerpt is from Snyder v. Robertson, Case No. 1:18-cv-01063-BAM (PC) (E.D. Cal. 2020):
Ordinarily, a single constitutional violation by an untrained employee is insufficient to demonstrate deliberate indifference for purposes of failure to train. Connick v. Thompson, 563 U.S. 51, 62 (2011). Instead, a pattern of similar constitutional violations by untrained employees is "ordinarily necessary" to demonstrate deliberate indifference for purposes of failure to train. Id.
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