Hollywood Hills shooting, mysterious illness concerns, sand replenishment project; The Rundown

A possible dispute between neighbors in the Hollywood Hills leads to the shooting of a man. Police are questioning the suspected shooter. Plus, local doctors are getting concerned over a potential tripledemic affecting hospitals this winter season, as well as a mysterious illness appearing in young, healthy patients. Also, a sand replenishment project is underway in Orange County to help some communities with their shrinking beaches. Your top stories at the top of the hour, weekdays at 2p, 3p, and 7p streaming on CBS News Los Angeles.