For the sake of justice and for his own safety Onyancha should not be released from jail, the state has submitted.
This comes in the wake of a retrial against the serial killer who in his own words said he had slain 19 people, mostly women and children.
Onyancha is facing a trial for three cases of homicide “all of which were committed in horrifying and mysterious circumstances, including that of a nine-year-old boy he abducted before demanding ransom from the child’s parent, later killing and dumping his body at a ravine in Dagoretti, Nairobi.
“The dictates of justice require that the accused/applicant ought to be kept away from members of the public who are most likely to fall prey to his diabolical tendencies/sucking of human blood,” state prosecutor Moses O’mirera submitted.
The prosecutor at the close of the original case declared that Onyancha was guilty of murder, but criminally insane, and may be released from custody at the pleasure of the president.
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Onyancha has undergone three mental exams and was found fit to stand trial.
The trial court already ordered fresh mental tests for the serial killer.
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O’mirera has submitted that “it is equally instructive that given the fact that Onyancha is known and/or perceived as a serial killer, his life will be eminently in danger should he be released from custody.”
Onyancha was arrested by senior sergeant MacDonald Okoth on June 3 2010 following a case of kidnapping a nine year old boy he killed after receiving Ksh 4,000 of the demanded Ksh30,000 ransom from the child’s father Samwel Muiruri.
On June 5 2010 Onyancha led police to arrest his accomplices Tobias Nyabuhanga Arad and Douglas Obiero Makori in Kawangare in connection with the kidnapping and killing of Antony Njirua Muiruri.
He later led detectives to the recovery of the child’s remains at Ngando area near Lenana School where they had dumped the body after the killing.
On June 7 2010 Onyancha admitted having kidnapped and killed Martin Baraza, a nine year old and Mercy Chepkirui at Naivasha.
“The deceased Jackline Chepng’etich Misoi was last seen/heard in company of the accused on the night of May 29 2008 when she contacted relatives using Onyancha’s cellphone…upon arrest the accused admitted to have strangulated the deceased and left her hanging body in her bathroom at her house at Gikomba area, Nairobi,” the prosecutor said.
He said Onyacha also admitted having killed Catherine Chepkorir Lang’at sometime in November 2008 and dumped her body at the Nairobi Water Sewerage Offices in Karen and later upon arrest led police to the recovery o her remains.
A consultant psychiatrist among those who examined Onyacha reported that he was suffering from residual schizophrenia, “a mental illness within the meaning of Mental Health Act 1989,” which must have propelled him to commit the multiple murders.
If found guilty the court is most likely to met out the maximum sentence provided for.