lack of policies and procedures and failure to train, which were alleged to deviate substantially from accepted professional judgment. Id. at 580-87. Similarly, here, HYCF’s lack of minimally adequate policies, procedures, and training to ensure ward safety resulted in harassment and abuse by staff and other wards so severe that it caused each of the plaintiffs to contemplate self-harm or suicide and one of the plaintiffs to engage in self-mutilation and attempt suicide. Second, the supervisory defendants’ failure to ensure adequate staffing and supervision at HYCF supports a finding of deliberate indifference. As the DOJ Report concluded, “the lack of supervision of youth is [a] contributing factor” to unconstitutionally hazardous conditions at HYCF. See also Luzerne, 372 F.3d at 581 (<HOLDING>). Testimony from plaintiffs J.D. and C.P. that
holding that a municipality may be liable for inadequate staffing and supervision where the causal link between the alleged policy or custom and the constitutional injury is not too tenuous citation and internal quotation signals omitted holding causal link between alleged discriminatory remarks and adverse employment action insufficient holding that a municipality cannot be held liable for an official policy or custom if it has been determined that the individual defendants did not violate the plaintiffs constitutional rights holding that a municipality may only be held liable under  1983 for a policy practice or custom holding that antitrust plaintiff lacked standing due in part to tenuous link between defendants price fixing and plaintiffs injury