for marcus singleton, this victory was bittersweet. he still wants to hear the truth from andre himself. he knows he says that that may never come, but he hopes his mother would be proud that he finally spoke up. >> i try to live my life to make her proud of me. i'm never going to give up. never going to give up on anything that i feel is important. and -- >> and that's her. >> and that's her. that's living for her. that's honoring her and honoring i'm lester holt. thanks for joining us. >> announcer: these statements have not been evaluated by the food and drug administration. this product is not intended to diagnose, treat, cure, or prevent any disease. >> hi. and thanks for watching. i'm michael alden. folks, if you're one of the millions of americans suffering with arthritis, osteoarthritis, if you're suffering from joint pain, knee pain, foot pain, back pain, or if you know someone who is, you're not going to want to miss this next half an hour. my guest today is one of the nation's foremost sought-after health and wellness expert