A grieving US Secret Service agent tasked with protecting President Zuwanie and investigating an assassination plot. Initially suspicious of Silvia, he becomes her protector and ally. He uncovers the false-flag nature of the conspiracy, neutralizes threats, and ultimately prevents Silvia from committing murder at the UN.
Fellow DPD agents working together on the security investigation.
Keller uncovers Lud's conspiracy and formally arrests him.
Keller's official duty is to ensure Zuwanie's safety at the UN.
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