eLab Forensics

/Tag: eLab Forensics

Location Data from Previously Overlooked Cell Site Records was used to Exonerate a Man after 17 years in Jail.

In 2000, teenager Vernon Horn was convicted for a January 1999 robbery and murder at a New Haven, CT neighborhood convenience store.  The primary evidence allegedly linking Vernon Horn to the crime scene was a record of calls made from a cell phone stolen during the robbery.  The State had no physical evidence linking Vernon Horn to the crime scene. 17 years later cell site records were used to set aside the conviction.  Those records were located in the basement of a retired police detective and had never been disclosed to the defense. New evaluation of the cell phone call record established that, based on the location of the cell phone at the time of the calls, combined with which cell site towers they used, Vernon Horn could not have committed the robbery and homicide.  The new evaluation showed the first call was made from Bridgeport, CT while Vernon Horn was in New Haven, CT speaking with a police officer.  The cell site evidence also showed all five of the phone calls in question were made from Bridgeport. The physical address of each cell site and its orientation could have been obtained by the original defense team at the time simply by requesting that information through a subpoena to the cellular service provider, specifically the call detail and cell site records.  This case is a good example of the need for early assessment and collection cellular service provider records and the need for defense teams to have an up-to-date cellular service provider subpoena guide and retention schedule. See IRIS LLC Post http://bit.ly/2GgZpG7  See Newspaper Article http://bit.ly/2KKw5ep Information and tools to aid Public Defenders in pre-trial or post-conviction cases can be found through The Digital Evidence Innocence [...]

Finding Innocence with Digital Evidence

Digital Evidence, just like DNA evidence can prove innocence. And just like DNA evidence, it’s imperative to know how to locate the sources of digital evidence. On May 5, 2017, the Prosecutor in the case said there was an issue with the witness identification of Anthony Christiana as the gunman in the case; therefore, the Prosecutor dropped the murder charges against Christiana in the murder of William Prieto. IRIS LLC investigators discovered digital evidence which contradicted the eyewitness statement that said that the man that killed Prieto was clean shaven.  An IRIS LLC digital forensics examiner was able to extract a photo from a cell phone owned by Christiana’s girlfriend, and that photo, showing Christiana with facial hair, had been taken 14 hours after the murder proving Christiana did not fit the eyewitness’s description of the murderer.  Read Article http://bit.ly/31XsS1a Managing time-sensitive digital evidence can be tricky, and digital forensic experts should be involved as early as possible, but defense teams need to address digital evidence as soon as the case is put in their hands, otherwise valuable evidence may be lost due. The Digital Evidence Innocence Initiative http://bit.ly/2X2k5LD , along with the IRIS LLC Digital Evidence Case Assessment Method http://bit.ly/2JYiEqz, a tool to help manage the sometimes overwhelming amount of digital evidence found, are here to assist Public Defenders in proving a client’s innocence.