We're learning much more about Friday's alleged Discovery Middle shooter.

  His lawyer tells us everything from reasons why his client shot Todd Brown, to how the teen is feeling now.

 Bruce Gardner says both his client and Todd Brown were in a gang, the Crips.

  He says his client was in the process of trying to get out of that gang when he shot Brown at Discovery Middle School.

 Bruce Gardner says his client joined the Crips in December; the writing was literally on the wall.

 "He went to the alternative school, which is on the Discovery campus, after he was initiated into the gang by spray painting Crips on the bathroom wall," said Bruce Gardner.

 Gardner says the boy didn't return to regular classes until after the Christmas break.

 A short time later he started receiving counseling and tried to get out of the gang.

"He ceremoniously in front of a bunch of people burned his bandana but he hadn't yet done what we call 'taken his punishment' for abandoning the gang," said Gardner.

 The punishment is supposed to be a beating.

 Gardener says the victim, Todd Brown, was known as the "enforcer" of the gang, the one who gave the beatings.

 Gardener claims Brown began to cyber bully his client, even posting threats on YouTube.

 Still, the attorney says he is not claiming self-defense.

 "You've got the gang psychology, some mental health issues and it came out in a perfect storm when my client decided to do it," said Gardner.

 While Gardner expects the boy to be tried as an adult he says he'll do everything he can to prevent it.

 Gardner adds that the teen is remorseful and his parents are devastated.

 "I think if the young man would have fired another shot, it would have been at himself," said Gardner.

 Attorney Bruce Gardner says that he would be surprised if there were not gangs in every school and that he'd be astounded if the school authorities didn't know they existed.

 Again, these are all claims made by the defense.

 The district attorneys office is unwilling to address specific allegations, for fear of jeopardizing the case.

 However, District Attorney Robert Broussard has promised all relevant evidence will come out at trial.

Reporter: Stephanie Beecken