keith reed was flat out gone. and it's really a mystery to him, when they leave the house. >> correct. >> sunday night ended in drenching rain. darker than usual around the house. they had't yet figured out why the exterior lights by the garage weren't working. they hadn't talked to the neighbors about some loud voices they heard. where was the school superintendent, mr. reed? >> coming up -- as the search continues, police make a startling discovery. >> so your missing person case has suddenly become a homicide. >> correct. and it was like, wow. >> when dateline continues. abetes? discover the power of 3 in the ozempic® tri-zone. in my ozempic® tri-zone, i lowered my a1c, cv risk, and lost some weight. announcer: ozempic® provides powerful a1c reduction. in studies, the majority of people reached an a1c under 7 and maintained it. ozempic® lowers the risk of major cardiovascular events such as stroke, heart attack, or death in adults also with known heart disease. and you may lose weight. adults lost up to 14 poun