Airlifted in from Bolivia's western highlands, some two dozen elite officers in green helmets and flak jackets entered the Las Americas Hotel just before 4 a.m., disabled its surveillance cameras and stealthily made for the fourth floor.

A bomb exploded. After 15 minutes of gunfire, three men were dead in their underwear on separate hotel room floors: A Bolivian-born Hungarian, an Irishman and a Romanian. Two of their comrades with ties to Croatia and Hungary were arrested in rooms down the hall.

A few hours later, President Evo Morales announced during a visit to Venezuela that an assassination plot against him, hatched by right-wing extremists and employing foreign mercenaries, had been foiled on his instructions.

"Before I left," he said, "I gave the order."

The strange events of April 16 have only deepened political and social rifts in this nation of 10 million, where Morales, an Indian and a strident leftist, faces an intransigent foe in the light-skinned elite of this provincial capital. Vice President Alvaro Garcia has blamed the alleged plot on "the fascist and racist right" of Santa Cruz. Morales' opponents in turn claim the government is trying to discredit them and bolster his campaign for re-election in December.

The killings have also brought Bolivia to the attention of four European countries impatient for an explanation. Hungary, Ireland, Romania and Croatia have all asked for what the latter called "a full and impartial" accounting. Was it not possible to wait a few hours and capture the alleged conspirators peacefully at breakfast?

"The Irish government has a legitimate right to seek the facts of how one of its citizens came to be killed by the security forces of another state," said Ireland's foreign minister, Michael Martin.

Yet more than two weeks after the raid, Bolivia has yet to provide persuasive details of the alleged conspiracy. It's a puzzle, in the words of Hungarian Foreign Minister Peter Balazs, in which the pieces don't fit.

An indignant Morales at first resisted the calls for explanation. Then, at the United Nations on April 22, he said he was willing to accept an international investigation.

Such a probe would almost certainly begin with Eduardo Rozsa Flores, the only one of the slain men with clear warrior credentials.

In September, he told a TV journalist in Hungary that he was returning home to organize a militia. You can only broadcast the interview, Rozsa said, if I don't return alive.

Born in Santa Cruz 49 years ago to a Hungarian father and Bolivian mother, Rozsa boasted in interviews and in a blog of serving as a translator for "Carlos the Jackal" when the Venezuelan terrorist was living in then-communist Hungary.

After the Berlin Wall fell, Rozsa became a minor celebrity in Croatia for commanding a brigade of foreign volunteers in its 1991 independence war. A poet, journalist and recent convert to Islam, he later starred as himself in "Chico," a biopic that won best film in Hungary's national cinema festival in 2002.

The other two slain men apparently lacked Rozsa's combat experience, if not his sense of adventure. So under what premise _ and for what exactly _ did he recruit them?

Michael Dwyer was a 24-year-old Irish security guard whose family said he went to Bolivia in October looking for work. His Facebook pages show he liked to play Airsoft, a non-lethal military game like paintball where participants shoot nonmetallic pellets at each other.

Arpad Magyarosi, 29, was an ethnic Hungarian rock musician and schoolteacher from Romania who relatives said loved to travel. Neither of the men apparently told their families back home exactly what they were doing in distant Bolivia.

Authorities said Las Americas was the third four-star or better hotel in which the men had lodged.

The raid's two survivors were flown to the highlands capital of La Paz and jailed without bail on terrorism charges after a closed hearing. They are Mario Tadic, a 51-year-old Bolivia-Croat comrade-in-arms of Rozsa from the Balkans, and Hungarian computer technician Elod Toaso.

Bolivian Defense Minister Walker San Miguel said Rozsa recruited Toaso, 28, through the Szekler Legion, a right-wing group that promotes autonomy for Romania's ethnic Hungarians. Hungary's ambassador, Matyas Jozsa, told The Associated Press after visiting Toaso in jail that the former bank employee may not have understood what he was getting into.

"My impression is that far from being a terrorist, he's fearful. Little by little he came to realize what he was involved in and that he'd made a big mistake," said Jozsa.

He believes the slain men never had a chance to surrender and said Toaso saved himself by diving face-down to the floor, putting his hands on the back of his neck.

How Tadic survived is unclear. No relative has emerged, and a human rights lawyer who visited him said only that he was prepared to cooperate with authorities.

The hotel's manager, Hernan Rossell, told the AP he arrived on the scene 10 minutes after the shooting ended and saw Rozsa's body on the floor, a revolver about 40 centimeters (16 inches) from his right hand, a bullet wound in his face. It was the only weapon Rossell said he saw on the fourth floor not wielded by the police, none of whom were injured in the raid.

Julio Larrea, a police investigator, said the alleged mercenaries set off a C4 plastic explosives charge just before the shootout began. He said police recovered guns at the scene, though he didn't specify how many or where, except that a handgun and a silencer were found in Rozsa's room.

Authorities have offered no evidence that the slain men fired weapons. An autopsy done on Dwyer's badly decomposed body in Ireland determined he was killed by a single gunshot to the chest, but apparently little more.

Many aspects of the case are still a mystery.

On the day of the raid, Bolivian police confiscated about a dozen weapons at a convention center booth that they said the alleged assassins had rented through a local telecommunications company or a business fair. Prosecutor Marcelo Sosa later showed photos he said were found at the convention center booth of all the alleged mercenaries but Tadic posing with guns. In one, Dwyer has a pistol in each hand.

Police also said the men were responsible for a dynamite blast the day before at the home of the local Roman Catholic cardinal, in which nobody was hurt and minor damage incurred. They presented another man, Juan Carlos Gueder, who has been arrested on terrorism charges. Gueder told reporters he sold Rozsa a pistol, and that Rozsa said he planned to assassinate Santa Cruz's governor, Ruben Costas, to make him "a martyr."

Garcia, the vice president, says the alleged mercenaries were planning to kill him and Morales, then "organize civilian groups for an armed resistance to violently seize power." Pro-autonomy groups in Bolivia are especially upset by Morales' plan to seize fallow cropland from big landholders, many of whom are based in Santa Cruz, and "return" it to members of Bolivia's indigenous majority. However, the opposition vehemently denies involvement in any assassination plot.

The evidence authorities have provided to date is a three-minute video that Sosa says was obtained from an informant. He says it shows the three slain men lamenting missing a chance to bomb a boat on which Morales held a Cabinet meeting in Lake Titicaca in early April.

The accompanying audio is unclear, however. Reporters who viewed it could make out words including "Titicaca," "wetsuit" and "explosives" but no clear narrative.

Another piece of the mystery surrounds the men's stay in Bolivia. The police investigator, Larrea, said Rozsa had taken Toasa and Tadic's passports from them so they couldn't travel.

In the Sept. 8 interview where he laid out his plan to form a militia in Bolivia, Rozsa told Hungarian television anchor Andras Kepes that he intended to sneak in through Brazil. He said he was going not as an agitator, but as a defender.

"I have been called to organize the defense of the city and province of Santa Cruz," he said. "This isn't about me going to the Bolivian jungle to play Che Guevara." Guevara, a hero of Cuba's revolution, was executed in Bolivia in 1967 after failing to launch a communist uprising.

Rozsa insisted his mission was not "to attack La Paz or to help organize an attack on the capital and to drive away the president." Kepes said the videotaped interview could be considered Rozsa's "last will and testament."

But more could be coming. Bolivian authorities seized five laptops in the raid.

In the movie "Chico," playing himself, Rozsa quotes the 19th-century Cuban independence leader and poet Jose Marti in explaining to a Croat military officer why he's enlisting in another nation's fight.

"It's criminal to promote a war that can be avoided," he says, "and it is also criminal not to support a war that is inevitable."

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Associated Press writers Carlos Valdez in La Paz, Pablo Gorondi in Budapest, Hungary, Alison Mutler in Bucharest, Romania, Snjezana Vukic in Zagreb, Croatia, and Shawn Pogatchnik in Dublin, Ireland, contributed to this report. Bajak reported from Bogota, Colombia.

