I believe you are correct that we can attempt to connect the dots, but, without further information we are unable to complete the connection.
I also believe it is difficult for westerners to connect the dots with tracking down terrorists because the psychological makeup is so different. The culture, upbringing, everything about the two (western culture and middle eastern culture) is so different it's like comparing apples and oranges. We need to learn to think like them in order to successfully track them.
A google search of "islam two cities" brought up this posting from May 8:
Subject: You Amerikkkans will perish soon
Date: Sat, 8 May 2004 22:11:50 +0200 (CEST)
You laugh but is the freedom fighters of Islam who will bury you. We have many in the U.S. We organize. You will
see our next strike soon. Is coming, maybe not as fast as you want but will be a glorious victory.
Tell me Amerikkkan how many of your soldiers rape and kill Iraqi women in the prisons. Revenge is coming upon all of you.
I will tell you this will be in summer while you are all diverted with your politics and fighting among yourselves as to who will be your next criminal president. Then will be massive explosion of radiation. Many of us hav eassembled within borders of U.S. Many in Texas, Michigan and New York City and many other of your criminal cities. There will many explosions all nuclear
DEATH TO AMERIKKKKA