A trespasser has no grounds to contest the search of a backpack he left in a house he entered illegally, a federal appeals court held.The 7th U.S. Circuit Court of Appeals this week rejected the argument that Devontay Sawyer had a legitimate expectation of privacy in the home.And because Sawyer did not have a legitimate expectation of privacy in the home, he did not have a legitimate expectation of privacy in the personal …