Jamil al-Sayyed rose to become Lebanon's feared intelligence chief during Syria's 15-year domination of the country after its 1975-90 civil war. He quit in 2005, weeks after former Prime Minister Rafik Hariri was assassinated, and spent four years in jail until he was released without charge over his killing.
Now 68, the retired general and former spymaster is one of other figures who held office during the Syria-dominated era returned to parliament for the first time since Syrian forces withdrew from Lebanon after the assassination of Rafik al-Hariri, Saad’s father, in 2005..
Prime Minister Saad Hariri, a Sunni Muslim, is expected to remain in power though he lost some seats to rivals including candidates allied to Hezbollah.
But Hariri, who is backed by the West and leads a government that includes Hezbollah and nearly all Lebanon's other main parties, has signalled his concern by indirectly identifying Sayyed as "Bashar al-Assad's candidate".
The Baalbek-Hermel constituency in eastern Lebanon, where Sayyed is running as an independent candidate, was one of the most important battlegrounds in the election.
Sayyed says during the campaign Hezbollah's opponents chose it "as a point of confrontation"
"I am an independent but not neutral," Sayyed told Reuters in an interview in his home village of Nabi Ayla in the fertile Bekaa Valley.
Making clear his allegiance is with Hezbollah, he said: "I have firm political convictions in support of the resistance."
Hezbollah leader Sayyed Hassan Nasrallah has said he will go to the district if necessary to support Hezbollah and its allies against Hariri's Future Movement and the Lebanese Forces party led by Samir Geagea, a former Christian militia leader.
Sayyed's critics say his potential comeback and that of his wartime opponents from the anti-Syria camp, such as Geagea, could entrench old divisions. One of the biggest anti-Syria dissidents of that time, Christian politician Michel Aoun, is now president of the country of 4 million.
But Sayyed said he was unfazed that Lebanon is mostly run by leaders from the civil war era.
"I know their secrets and what they hide - their history - because I worked as required in the state in security, in politics," he said.
Criticism of Washington
Sayyed criticised U.S. financial support for the Lebanese army, saying it was intended to provoke a confrontation with Hezbollah, which Washington considers a terrorist organisation.
But he said the Lebanese army and Hezbollah continue to operate in such a way as to complement each other. Hezbollah remained "a necessity (for the army) all the while the West and America do not supply the army with necessary deterrent capabilities", he said.
Sayyed's candidacy in the election has revived memories of a turbulent period which ushered in a sometimes violent power struggle between allies and opponents of Damascus.
If he makes it into parliament, he could become a candidate to one day succeed Nabih Berri as the assembly's speaker -- a post reserved for a Shi'ite in Lebanon's sectarian power-sharing system.
At the peak of his influence, Sayyed inspired fear among opponents of Syrian influence in Lebanon. A career soldier, he was central to what critics saw as a Syria-controlled security order that suppressed voices opposed to Syrian dominance.
Sayyed shaped the politics of that era alongside top Syrian officials and Lebanese leaders, many of them militia leaders from the 1975-90 conflict.
At the time of Rafik Hariri's killing, Sayyed was head of the General Security Directorate intelligence agency.
He was the most powerful of four Lebanese generals detained in 2005 at the request of Detlev Mehlis, the German prosecutor who headed the early stages of the UN investigation into the assassination and implicated Syrian and Lebanese figures.
A UN-backed tribunal ordered their release in 2009 for lack of evidence and has charged five members of Hezbollah over the assassination. Hezbollah denies any role in the killing.
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