Nother police question?

I just had a question of: im the a block watch program. is it legel or elegel to use or have a tazer. or for us to carry it. please let me know. for our defense. thanks! i also have a 13 year old, which is with us too. and forgot to ask is it ok for him to carry it while he is with an older adult. As they are partners. thanks for your help.