Questioned documents cover a variety of issues. Indented writing is one in which notes can be detected on pads of paper – for instance – up to 5 sheets deep. This is quite useful in cases of kidnapping or ransom notes as to where and by whom they were written. The ESDA technology is employed by Independent Drug Testing and Forensic Services.
Items such as forgery, signature comparison, ink comparisons, handwriting comparisons are outsourced currently to a nationally ranked expert in the field. High quality copies can be analyzed as well as originals.