Let's Talk About It with Jenny White/ How many more of our children have to die?

This is what we know: (1. An armed person walked into an art class at the school and began firing what looked like a shotgun, a witness stated.

(2. Sheriff's received the reports of an active shooting at the school just before 8 a.m..

(3. Pipe bombs and pressure cookers were found at the scene, according to a law enforcement official.

(4. Investigators are searching a trailer nearby where it is believed explosive devices were assembled where a pressure cooker was found.

(5. Explosive devices were also found in surrounding areas. 

(6. Multiple agencies are on site, including the FBI, ATF, Texas Dept. of Public Safety, local law enforcement and first responders.

Ten people are dead. Nine of those killed were 9 students and one teacher. Two law enforcement officers are among those injured, and at least 13 people have been hospitalized.