FILE - In this July 6, 2017, file photo, former Sheriff Joe Arpaio leaves the federal courthouse in Phoenix. A judge has dismissed a lawsuit by Sen. Jeff Flake's adult son over now-dismissed animal cruelty charges he faced in the 2014 heat-exhaustion deaths of 21 dogs at a kennel operated by his then-in-laws. Austin Flake and his ex-wife lost the lawsuit against Arpaio and Maricopa County at a trial in late 2017. Since then, they have sought another trial, this time against the case's investigator. (AP Photo/Angie Wang, File)
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A judge dismissed a malicious-prosecution lawsuit by the adult son of outgoing U.S. Sen. Jeff Flake over the now-dismissed animal cruelty charges filed against him in the 2014 heat-exhaustion deaths of 21 dogs at an Arizona kennel operated by his then-in-laws.