"Raleigh, N.C. ??? Authorities canceled the Silver Alert for a 50-year-old Raleigh woman after she was found Tuesday.The North Carolina Center for Missing Persons issued the alert for Tanya Renay McCants Monday morning.Developed in 2007, Silver Alert is a system to quickly notify the public about missing endangered people who suffer from dementia or other cognitive impairments, such as Alzheimer's" . . . .