Glee star Naya Rivera has been reported as missing after her four-year-old son Josey Dorsey was found alone on a pontoon boat they rented to go swimming in Lake Piru in Ventura County, California. Hours after a search and rescue operation began, Robert Kovacik of NBC Los Angeles tweeted at 9:55 AM PST that Rivera was "presumed dead" according to the Ventura County Sheriff's Department.