possesion script

[Death_Link]

hey guys im makin a police script. Its a possesion script so when you hit the player they change to the meditation gani and you can control them.

i thaught it would be like:
if (weaponfired) {
shoot fireball;
player dir;

if (hitsplayer) {
setani meditation.gani

and then the ****roling part.
But that dosent work and i got ne idea what to do on the controling part. Can any1 help?