“When your victim is elderly,” he says loudly and remonstratively, “it’s natural to assume heart attack. Natural, but, in this case, possibly deadly.” After a few more minutes of Heimlich he takes a pen from his pocket and drives it into her throat. Almost immediately she sits up and readjusts her wig, with the pen still sticking out. Leon kisses her forehead and makes her lie back down, then gives the thumbs-up. The crowd bursts into applause.