16: The Smiling Coffee Killer, Jessica Wongso | Indonesia

She is known as the Coffee Killer. Jessica Wongso, is an Indonesian born Australian resident who poisoned her best friend by lacing her coffee with cyanide. All of this happened in broad daylight, in an upmarket café in Jakarta.

The whole act was caught on CCTV camera, yet, Jessica denied guilt. How did their friendship turn so sour, that Jessica decided Mirna Salihin deserved to die?

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