the public s help tonight. the murder mystery developing this evening. a dentist fatally shot in the parking lot outside his office. and tonight, there is a person of interest. where they re searching. and later this evening, the heartfelt message from a country superstar and his wife, after their 3-year-old son died drowning in a pool. and tonight, why they hope parents and grandparents out there will listen to their story. a lot more news ahead tonight. stay tuned. story. a lot more news ahead tonight. a lot more news ahead tonight. stay tuned. you ve been making headlines. smart tech is everywhere. but is that enough? i need tech that understands my business. i need tech that works at scale. dear tech, dear tech, dear tech, we re using ibm blockchain to help make sure food stays fresh. we re exploring quantum to develop next generation energy. we re using ai to help create more accessible health care. we re using iot to create new kinds of digital wallets. let s see some more he