Arnone v. County of Dallas, No. 21-10597 (5th Cir. 2022)
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The Fifth Circuit affirmed the district court's dismissal with prejudice of plaintiff's 42 U.S.C. 1983 action against Dallas County. Plaintiff filed suit after he was convicted of sexually abusing his son and the district attorney sought to revoke plaintiff's community supervision and proceed with adjudication. After plaintiff was convicted and sentenced to prison, the Texas Court of Criminal Appeals ordered plaintiff released since polygraph results are inadmissible under Texas evidence law.
The court concluded that the Dallas County district attorney acted as a state policymaker when he decided or acquiesced to the polygraph policy in this case. Therefore, there is no county policymaker to support plaintiff's Monell claim. The court also concluded that plaintiff failed to plausibly plead his failure-to-train-or-supervise theory against Dallas County under Mowbray v. Cameron County, 274 F.3d 269, 278 (5th Cir. 2001).
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