Iowa should take note.

Law enforcement, BISD train for potential threats
March 26, 2011 10:32 PM
By JACQUELINE ARMENDARIZ, Brownsville Herald

Everyone involved knew it was a drill as the following training scenario unfolded: Shots were heard early Saturday morning, with an officer killed as students ran out of Veterans Memorial High School with their hands on their heads.

Even the students had a roll to play during the training exercise.

“That’s the friendly sign,â€