Two former Syrian intelligence officers accused of overseeing torture and abuses against opponents of Bashar al-Assad's regime in Raqqa are due to stand trial in Austria on Monday, in one of Europe's most significant cases against former Syrian security officials.
The defendants, former Raqqa State Security chief Khaled al-Halabi and former deputy head of the province's Political Security branch Musab Abu Rakba, are accused of ordering, facilitating or failing to prevent the torture and abuse of at least 21 detainees between 2011 and 2013, during the early years of Syria's uprising.
Vienna prosecutors allege the abuses formed part of a broader campaign of repression carried out by Assad's security apparatus against members of the civilian protest movement.
Al-Halabi headed the State Security branch in Raqqa between 2009 and 2013, while Abu Rakba served as deputy head of the province's Political Security branch.
When charges were first brought against al-Halabi, Syrian activists described him as the highest-ranking former Syrian intelligence official residing in Europe to face prosecution over alleged crimes committed during Syria's uprising.
According to Austrian prosecutors, the pair face charges including torture, aggravated coercion, sexual coercion and causing serious bodily harm, offences carrying sentences of up to 10 years in prison.
The trial is expected to run across 13 hearing days until 30 June, with alleged victims from Syria and Europe expected to testify.
For Syrian activists, the case represents one of the most significant attempts yet to hold senior Assad-era security officials accountable in Europe.
"It is a very important message to perpetrators of torture and killings that they will be indicted regardless of how much time has passed," Bassam Al-Kuwatli, president of Ahrar, the Syrian Liberal Party, told The New Arab. "It is important as well in light of the unreasonable delays in starting the transitional justice process in Syria.
"It sends a message that European governments are doing the work that Syria should have started doing," he added. "I hope that the Syrian government takes note and expedites the stalled process."
Several Syrian activists and lawyers have questioned why the defendants are not facing crimes against humanity charges.
Anwar al-Bunni, a Syrian lawyer based in Germany who spent five years in Syrian prisons, told AFP that while the trial was important, he did not understand why prosecutors had not pursued crimes against humanity charges.
Al-Kuwatli echoed those concerns, noting that they should be charged with crimes against humanity.
"It seems that the previous agreement allowing them to move to Austria without accountability is still partially effective," he said.
His remarks refer to allegations surrounding "Operation White Milk", a covert intelligence arrangement that reportedly facilitated al-Halabi's relocation to Austria in 2015.
According to Austrian media reports and previous investigations, al-Halabi was transferred from France to Austria under an arrangement allegedly involving Austrian intelligence officials and Israel's Mossad intelligence agency.
Reports suggested he was considered a valuable intelligence source even though the arrangement allowed him to avoid scrutiny despite longstanding allegations relating to torture and abuses in Raqqa.
Senior Austrian officials accused of helping al-Halabi obtain protection in Austria were cleared in 2023 due to insufficient evidence.
The case resurfaced after the Commission for International Justice and Accountability (CIJA), an organisation that collects evidence against suspected war criminals, alerted Austrian authorities to allegations against al-Halabi.
The trial comes as Syria's new authorities face mounting pressure to establish a credible transitional justice process following the fall of Assad's government.