Trusted adults urged to accompany " Trick-or-Treaters" The National Center for Missing & Exploited Children (NCMEC) today released important safety tips to remind parents and guardians about child safety and to help protect millions of “trick-or-treaters” going door to door in their neighborhoods this Halloween. Nearly 94 percent of all children between the ages of four and 12 participate in Halloween activities each year, making it one of the most important nights for children and trusted adults to be alert and use common sense when “trick-or-treating.”............