Ink dating


13-Oct-2017 16:11

has provided expert services including examination, consultation and testimony.When you think a document is "too good to be true", it probably is.With advances in technology many documents which could not be analyzed just 5 years ago are possible sources of important information.We employ state-of-the-art technology for the analysis of any type of document evidence to answer questions relating to the method and timeliness of preparation.The medical record which is found to contain additions or interlineations can challenge the veracity of witnesses.The Last Will and Testament which is found to contain an ink formulation not commercially available until years after the supposed preparation date can prove the fraudulence of the instrument.These two ink aging methods are the Sequential Extraction Technique (SET) and Solvent Loss Ratio Method (SLRM).

An ink formulation can be identified to a specific manufacturer to ascertain the first date of commercial availability. He trained with and served as the Chief Research Forensic Chemist with the United States Secret Service and was responsible for maintaining the largest known forensic collection of writing inks in the world. Other ink entries are not necessary for comparison. Aginsky has developed the SET as a result of many years of research of the ink aging methodology developed and published by Dr. For example, if the questioned document’s date precedes the manufacturing date for the ink used to sign the document, it is established that the document could not have been signed on the date it bears. Such intra-comparisons of inks may reveal that the questioned entries were not written contemporaneously with the other entries in the file (document). – The examination’s purpose is to assess whether the use of various inks on the document(s) fits a pattern that is either consistent with the dates appearing on the document(s) or indicates preparation "at one time" (during a short period of time). Paper folds – It is often possible to determine whether an ink line that intersects a paper fold was written before or after the paper was folded.Offset marks – When two pieces of paper are pressed together, marks such as writing (and printing) may be transferred from one to another.Speckin Forensic Laboratories is an International forensic firm specializing in consulting with plaintiff and defense lawyers involving issues concerning: Forgery, Sequencing of Entries, Examinations of Medical and Business Records for Alterations, Additions, Rewritings, Ink Dating and Paper, Typewriting, Facsimiles, Photocopies, Fingerprints, Analytical and Forensic Chemistry, Biological Fluid ID & DNA, Firearms and Toolmark Examination, Shoe and Tire Prints, Trace, Toxicology, Handwriting, Crime Scene Reconstruction, Cell Phone Forensic, Mortgage Fraud, “Robo Signing” Examination and Fraud, Criminal Forensic Matters and Computer Forensics. Our examiners have presented testimony in over 30 states in the United States, as well as, Jamaica, Israel, Mexico, United Kingdom, Hong Kong, Japan and Canada in Federal Court, Circuit Court, District Court, Supreme Court, NASD Arbitrations, Employment Arbitrations, Depositions, Municipal Court, Board of Canvasers, Federal Grand Juries, Detroit Recorder’s Court, and Union Arbitrations on over 1000 occasions.

Click here for information and assistance in obtaining court appointed fees for criminal defense cases. Speckin Forensic Laboratories has been involved in cases all around the world, from North America, South America, Australia, Europe, Asia, Japan, Hong Kong and all 50 of the U. * Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming Speckin Forensic Laboratory employ’s three document examiners, one fingerprint examiner, an ink dating chemist, two DNA consultants, one toxicologist, one arson and fire investigator, three crime scene experts, a trace evidence and impression evidence examiner, two computer forensic and cell phone examiners as well as two secretaries. Our examiners are specialists not only in the area of signatures and handwriting problems, but also in alterations, additions, and the rewritings of medical and business records.Other pages discuss the use of infrared to discriminate the differences between inks that visually and microscopically look identical.