hey ive noticed that C^T DONT DEFUSE THE BOMB even if they are in the bombsite im using V3B19m always dont defuse bomb if all T's are dead they just look at the Bomb until it ...poof....... explosion or sometimes just running around the site and dont care about the bomb

Help!!!!!!!!!!!!!!
EDIT: BUT IT DEFUSES THE BOMD IF THERE ARE T'S ALIVE!!!!!!!