Antiterror chief advises committee By Jan Silva, Associated Press | April 21, 2006 BRUSSELS -- Investigations into reports that US agents shipped prisoners through European airports to secret detention centers have produced no evidence of illegal CIA activities, the European Union's antiterrorism coordinator said yesterday. The investigations also have not turned up any proof of secret renditions of terror suspects on EU territory, Gijs de Vries told a European Parliament committee investigating the allegations. The European Parliament's probe and a similar one by the continent's leading human rights watchdog are looking into whether US intelligence agents interrogated Al Qaeda suspects...