In October 2015, forensic document examiner, Mark Songer delivered an informational presentation on signature verification to the election workers in El Paso County, Colorado.

This letter from Liz Olson, the Election Manager for the El Paso County Clerk & Recorder’s Office, thanks Mark for his efforts.

Download Letter in PDF

​Document Analysis Casework

Forensic examiners at Robson Forensic conduct investigations to provide evidence about suspicious or questioned documents using a variety of scientific principles and methods.

Examiners inspect documents for the presence of alterations, obliterations, paper inconsistencies, and other signs of tampering. Through the course of the analysis, examiners can often reach a scientific determination of document origin and authenticity.

For more information, visit our Document Analysis practice page


Featured Expert

Mark Songer, FDE

Mark is a former FBI Special Agent and FBI Forensic Examiner, where he served as part of the FBI’s ERT/RDT teams. Mr. Songer has instructed numerous law enforcement officers and civilian examiners in handwriting identification as well as the collection of writing samples. He also developed and implemented Forensic Science & Criminal Justice programs at several institutions of higher learning, including the University of California and La Sierra University.