♪ the one and only, cheerios how old is the oldest person you've known? we gave people a sticker and had them show us. we learned a lot of us have known someone who's lived well into their 90s. and that's a great thing. but even though we're living longer, one thing that hasn't changed much is the official retirement age. ♪ the question is how do you make sure you have the money you need to enjoy all of these years. ♪ welcome back to "starting point." a chilling murder five years ago finally goes to trial today. california prosecutors claim that actress and model julianna redding was killed in a murder