Law enforcement officers overstepped their bounds when they entered a man’s backyard without a warrant and received his permission to search the property, a federal appeals court held.In a nonprecedential order last week, the 7th U.S. Circuit Court of Appeals concluded the officers violated the Fourth Amendment by detaining Constancio Palomino-Chavez in the yard, then frisking him without any reasonable suspicion he was armed or posed a threat.The court also concluded the unlawful detention tainted Palomino-Chavez …