Siswanto – His 18-month killing spree started in December 1994

SiswantoSiswanto, alias Robot Gedek, was arrested in 1996 when he was begging at Tegal Train Station in Central Java. The police reported that Robot mutilated and removed the internal organs of all of his 12 victims. He was given a death sentence by East Jakarta Court in 1997 but he died in 2007 from a cardiac arrest in Nusakambangan Prison.


On August 6, 1996, Siswanto, a homeless Indonesian man, confessed to killing 12 boys and leaving their mutilated bodies on the streets. Siswanto, alias Robot Gedek, admitted to sexually molesting his victims, ages 9 to 15, before killing them. The dead youngsters were found with their stomachs slashed open, and most were naked. Siswanto told police he enjoyed drinking the blood of his victims and sometimes kept pieces of their skin.

His 18-month killing spree started in December 1994. The last victim was found on July 5, 1996. Eight of the killings took place in Jakarta and two in the city of Pekalongan in central Java. On May 21, 1997 an Indonesian court found him guilty of 12 murders and sentenced him to death. After sentencing, the presiding judge Sartono of the Central Jakarta State Court said Siswanto’s “crimes sent shock waves through the community because he sadistically killed underage boys. What he did can never be forgiven.” (credit Mayhem)

credit murderpedia