Document dating examiners
They are used by the document examiner to enable her to form an opinion concerning the authenticity of handwriting in dispute.
Handwriting identification depends on the quality of the known writing.Many attempts have been made to determine the age of ink in the last 30 years. Different techniques have been used, based on the study of chemical and physical properties of various types of inks. He is co-founder of Riley, Welch, La Porte and Associates…[Read More] Forensic Chemist and Document Dating Specialist Mr. Hanson is a Forensic Document Examiner with 21 years experience in the field of forensic science.Sufficient suitable material facilitates the work of the expert in establishing the master pattern or habits of the writer in order to avoid errors and inconclusions.
A document examiner who must work with insufficient writing has a more difficult task and may not be able to draw adequate conclusions from the limited material.
This new approach can determine the relative age of the ink, in a nondestructive manner, from any two writings created at different periods of time with the same class of ink.
One of the challenges faced by the forensic document examiner is determining the age of a document/ink in order to ascertain whether entries or writings – such as those in logbooks, registers, OMR sheets, deeds, cheques, drafts, and other important documents – were executed in the same period or in different periods of time.
[Read More] Co-Founder, Forensic Document Examiner Mr.
Welch is a forensic document examiner with 21 years experience in the field of forensic science.
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.