<prompt> Gadzira shanduro yakaoma kunzwisisa yemutsara uyu Mukupera kwa1999, bin al-Shibh akaenda kuKandahar muAfghanistan, kwaakawana rovedzo mumisasa yeAl Qaeda.  <response>: Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi Mukupera kwa1999, bin al-Shibh akaenda kuKandahar muAfghanistan, kwaakagamuchira rovedzo mumisasa yeAl Qaeda, uye akasangana navamwe vakanga vabatanidzwa mukuronga kudenha kwaSeptember 11. 