Well---they were involved in terrorism before, namely the KLA. So it stands to reason they STILL are. See below articles of proof from 1999:
"U.S. intelligence sources have confirmed to INSIGHT that dozens of KLA fighters trained in bin Laden camps in Afghanistan and that some of them returned to fight with al-Qaeda and the Taliban after the Sept. 11 terror attacks against New York City and Washington.:
http://findarticles.com/p/articles/m..._90041160/pg_2
At the same time the Clinton Administration and its supporters are making full use of accusations of misdeeds by Serb forces to further its pro-intervention policy, they will continue to turn a blind eye to some unsavory evidence about the most likely beneficiaries of intervention: the Kosovo Liberation Army. This evidence includes:
the KLA's ties to Islamic radical organizations, such as that of terrorist kingpin Osama bin-Ladin, who is known to have assets in the KLA's staging area in northern Albania (see "U.S. Alarmed as Mujahidin Join Kosovo Rebels," The Times (London), 11/26/99);
the support the KLA derives from drug and organized crime elements in the Albanian diaspora in Western Europe (see Jane's Intelligence Review, "Another Balkan Bloodbath," 2/1/9
;
the KLA's victimization of civilians, both Serbian and Albanian; and
the displacement of Serbian civilians from areas controlled by the KLA (see "In Kosovo's Furtive War, a Serb Just Disappears," New York Times, 3/4/99).
There's NO DOUBT in my opinion that we were on the wrong side of that historical event.
http://www.senate.gov/~rpc/releases/1999/fr032399.htm