Southern California’s recent run of south swells isn't just reshaping local sandbars and causing coastal homeowners to tremble—it’s unearthing forgotten history. Last week, New York visitor Katherine Kinnison was taking a casual stroll along Linda Lane Beach, just north of the iconic San Clemente Pier, when she noticed something bizarre jutting out of the tideline. “I knew that it looked familiar, but I was like, it doesn't look like a shark or anything that I've ever seen on the beach before,” Kinnison recalled. She stopped to analyze the object. “The more I looked at it, I was like, ‘It looks really familiar, it feels like it's human.’” What she was staring at was a human jawbone with several teeth still intact. Wisely bypassing a touch test, Kinnison immediately reported the discovery to a nearby lifeguard tower. The coroner division of the Orange County Sheriff’s Department (OCSD) quickly responded to secure the remains.…