Update: This story has been updated from its original version to reflect comment from the plaintiff's lawyer.Law enforcement officials violated the U.S. Constitution when they brought a drug-sniffing dog into a shared hallway of an apartment building without obtaining a search warrant, a federal appeals court held.Citing Florida v. Jardines, 133 S. Ct. 1409 (2013), the 7th U.S. Circuit Court of Appeals concluded the dog sniff constituted a search under the Fourth Amendment.A panel of the court conceded the U.S. Supreme …