LAX Shooting Prompts Security Suggestions

Travelers Use Los Angeles International Airport Day After Shooting Killed One TSA Agent

Friday morning's shooting at Los Angeles International Airport left Transportation Security Administration officer Gerardo I. Hernandez dead and two other officers wounded. In the aftermath, the two most-asked questions have been what caused 23-year-old Paul Ciancia to allegedly open fire in the airport and how can similar tragedies be prevented.