are out here and they want to send a drawing back to -- they call it a brother, validated mexican mafia member, they will draw something really nice and send it back to him or send to it his family on the street which in turn will make a full circle and come back inside as a form of respect for him, hey, this is for you, they made this for you. we really preach to these guys that their ancestors were aztec warriors and they go as far as to even learn the aztec language. they call it nahodall. >> inmate charles manson's artwork is regularly confiscated to prevent it from being sold as gruesome souvenirs. >> here's a scorpion that he's made. basically just taking thread from various types of items, socks and t-shirts and towels and he creates it and uses, looks like a marker to color it. this is probably one of the items that he makes the most of