21.   Government officials said Guillen was influenced by leftist guerrillas while teaching in Nicaragua, and proclaimed that identifying the guerrilla leader had undercut his credibility.

22.   He was kidnapped by one of the leftist guerrilla groups that had begun to plunge the government of Juan Domingo Peron into turmoil.

23.   In a statement, Esguerra said that in recent years, leftist guerrillas had become increasingly involved in drug trafficking.

24.   In many areas leftist guerrillas have allied themselves with drug traffickers, who underwrite their purchase of weapons.

25.   In that post, he directed a violent counterinsurgency campaign that virtually wiped out several leftist guerrilla groups.

26.   In the tradition of the leftist guerrilla army, they exchanged spoons, not rings.

27.   In the next room, a pile of Colombian newspapers announced darkly that leftist guerrillas had decided once again to suspend their participation in peace talks.

28.   In the early morning light and shadows, they had mistaken the children for leftist guerrillas they had been pursuing through the forest.

29.   Initial reports suggested that the three had been abducted by leftist guerrillas in Colombia, who often use ransoms from kidnapping to finance their military activity.

30.   Initial reports suggested that the three had been abducted by leftist guerrillas in Colombia.