Time Served: 10 years
Based on the DNA results, the State Attorney's office moved to vacate the conviction in July 1997. The Illinois Supreme Court then ordered a new trial for Jones. In May 1999, the State Attorney's office decided to drop the charges against Jones.
In the early morning hours of March 10, 1985, the victim was approached by a man while walking with one of her friends. The man, known as “Bumpy”, grabbed her and asked for change to buy a drink. Later that morning, the police received a call reporting a homicide and found the victim’s body. The victim had been stabbed and beaten. Further investigation revealed the presence of semen in her vagina. Jones was convicted by a jury and sentenced to death in a bench hearing.
At trial, the prosecution presented testimony from the victim’s friend identifying Jones as “Bumpy”, and from a victim in a second rape involving “Bumpy” who identified Jones as the attacker. Police claimed that Jones had confessed to involvement in the crime, but Jones said he only signed the confession because he was beaten by Chicago police officers.
Serological testing was also conducted on swabs from the rape kit. The tests revealed blood group markers consistent with Jones and the victim, and an analyst testified incorrectly that the results excluded a large group as possible perpetrators. In fact, when the evidence being tested is a mixed stain of semen from the perpetrator and vaginal secretions from the victim – and testing does not detect blood group substances or enzymes foreign to the victim – no potential semen donor can be excluded because the victim’s blood group markers could be “masking” the perpetrator’s. Under such circumstances, the failure to inform the jury that 100% of the male population could be included and that none can be excluded is highly misleading.
RFLP DNA testing introduced at trial could not rule out Jones, but was inconclusive. Jones was convicted by the jury and sentenced to death by the judge.
The Illinois Supreme Court denied Jones’ petition for a rehearing on October 4, 1993. Jones later filed for DNA testing. The State initially opposed his motion, but eventually consented.
Forensic Science Associates conducted PCR based DNA testing in 1997 and excluded Jones as the donor of the sperm found in the victim.
Based on the DNA results, the State Attorney’s office moved to vacate the conviction in July 1997. The Illinois Supreme Court then ordered a new trial for Jones. In May 1999, the State Attorney’s office decided to drop the charges against Jones.
Charge: Murder, Rape
Conviction: Murder, Rape
Incident Date: 03/10/85
Conviction Date: 01/01/89
Exoneration Date: 05/18/99
Served: 10 years
Race of Defendant: African American
Race of Victim: African American
Status: Exonerated by DNA
Contributing Causes of Conviction: Eyewitness Misidentification, False Confessions or Admissions, Unvalidated or Improper Forensic Science
Type of Forensic Science Problem: Flawed Serology
Type of Crime: Homicide Related, Sex Crimes
Accused Plead Guilty: No
The Alternative Perpetrator Identified: No
Death Penalty Case: yes
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