Wait.
Bin and all the others we catch now we give the sex change operation. We also give then all the other benefits of western surgical expertise to make them beautiful too.
Now we need to put them all in a secure area - lets call it the afterlife.
Now all the followers we catch from then on can have their dream of lovely virgins just waiting for them.
Now like a good episode of mission impossible we need to be sure they all believe that it is the true afterlife.