A training exercise for police academy recruits involves active shooter scenarios at an Omaha elementary school.
iStock / evgenyb
Frazer Harrison/Getty Images
Flickr: epSos .de
No email address was supplied by
To complete your registration on this site, please supply an address.
Please confirm or modify the email address to which you will have subscription offers sent.
For a more personalized experience, please supply the following optional information.