Far away wasn't good and Luther's mouth tightened into a grimace. His hand broke away from Archer's shoulder as calculated what he knew. Isobel though the man had killed himself, he was "taken care of" and far away - going directly to the police would have been the right thing to do. It's what anyone would have done unless they had something to hide. His eyes narrowed at Archer, just as Isobel spun around.
He did give her the attention she deserved, listening with his hands crossed in front of him. When she finally finished he managed a tight smile to her - a small lie. "You have nothing to worry about, Miss Hughes. I was just curious that was all." He moved past them to lead the way to his SUV. Unlocking it and opening the backseat, he gestured for one (or both) to get in.