Photo Of 3-Year Old Girl Practicing Preschool ‘Lockdown Drill’ Goes ViralPhoto Of 3-Year Old Girl Practicing Preschool ‘Lockdown Drill’ Goes ViralOne mother posted a sobering photo on Facebook of her three-year old daughter practicing the lock down drill she learned at preschool that's been shared almost 30,000 times.Kimberly MadisonKimberly Madison