Topical issues of handwriting analysis of signatures performed with a significant gap in time


Keywords: identification handwriting signs; signature; signature strength; stages of signature handwriting formation ; handwriting analysis of signatures performed with significant time gap

Abstract

At the present stage, the objects of forensic handwriting analysis are signatures performed with a significant gap in time. In this case, such objects are both signatures in studied documents, made at different intervals and studied signatures performed in relation to the comparative material with a time gap.

Establishing stability of signature signs depending on performing time is possible taking into account  characteristic signs  of the stages of the signature handwriting formation. Since the factors causing changes in signatures are a lengthy process of forming the signature skill and the amount of signature practice (that is how often a person has to sign). While research on signatures that are at the formation stage, different signs, established together with significant coinciding signs canindicate a further improvement of movements. In personsof middle age (30-60 years old) who have a formed signature handwriting, significant changes do not occur over time until they stop practicing writing. While research on elderly people signatures along with the established coinciding signs, differing ones appear: signs of ataxia, decreased coordination of movements, low coherence of written signs, etc. These signs indicate degradation of movements due to physiological changes in the body in old age and a decrease in writing practice including practice of performing signature.

Considering the above, research on signatures performed with a significant time gap is a rather complicated process that often causes difficulties when forensic expert evaluates revealed signs. Within the framework of this research paper, the authors focused on some topical issues existing in modern forensic expert practice of handwriting analyses of signatures performed with a significant time gap.

The state of development of modern practical handwriting studies requires improvement of methodological approaches to this type of research. Currently, forensic experts are conducting R&D on the topic: “Improving research methods of signatures performed with a significant gap in time” which relevance is due to the need to improve forensic expert algorithm while handwriting research on signatures performed with a significant gap in time, as well as requirements of modern scientific standards.

References

Abrosymova, V. H. (2000). Do pytannia pro identyfikatsiiu vykonavtsia pidpysu, vyko-nanoho z velykym rozryvom u chasi vidnosno chasu vykonannia porivnialnykh zrazkiv. Kryminalistyka ta sudova ekspertyza. № 49 [in Ukrainian].
Arkhiv NNTs «ISE im. Zasl. prof. M. S. Bokariusa» (KhNDISE) za 2018 r. [in Ukrainian].
Arkhiv NNTs «ISE im. Zasl. prof. M. S. Bokariusa» (KhNDISE) za 2019 r. [in Ukrainian].
Chepulchenko, T. A. (1986). Differentsiatsiia vozrastnykh izmenenii pocherka (pozhiloi i starcheskii vozrast, molodoi i srednii vozrast) i podrazhaniia «starcheskomU» pocherku. Problemy kompleksnogo kriminalisticheskogo issledovaniia podpisei : mat-ly Vsesoiuz. nauch.-prakt. seminara. Moskva. S. 68—73 [in Russian].
Grinenko, L. G., Abrosimova, V. G. (1998). Metodicheskie printsipy issledovaniia podpisei, vypolnennykh s razryvom vo vremeni. Aktualnye voprosy sudeb-noi ehkspertizy i kriminalistika na sovremennom ehtape sudebno-pravovoi reformy : sb. nauch.-prakt. mat-lov (k 75-let. osnovan. KHNIISEH). Kharkov [in Russian].
Hrynenko, L. H., Suietnova, O. I. (2000). Shchodo pytannia pro doslidzhennia pidpysiv, vykonanykh z rozryvom u chasi. Ekspertnoe obespechenye pravosudyia na sovre-mennom эtape sudebno-pravovoi reformy : sb. nauch.-prakt. mat-lov (k 10-let. osnovan. Krim. otdelen. NYYSE im. Zasl. prof. N. S. Bokaryusa). Symferopol [in Ukrainian].
Lipovskii, V. V. (1962). Nekotorye voprosy ustoichivosti podpisei vo vremeni. Voprosy kriminalistiki i sudebnoi ehkspertizy : mat-ly nauch. konf. Dushanbe [in Russian].
Lipovskii, V. V. (1961). O nekotorykh voprosakh problemy individualnosti podpisi. Re-feraty dokladov vtoroi nauch. konf. Tashkent. NIISEH, posviashch. voprosam sudebn. ehkspertizy. Tashkent [in Russian].
Lipovskii, V. V. (1984). Ustoichivost priznakov podpisei, vypolnennykh litsami pozhilo-go i starcheskogo vozrasta v neobychnykh usloviiakh. Kriminalistika i sudebnaia ehkspertiza. Vyp. 29 [in Russian].
Mozhar, I. M. (1971). Issledovanie rukopisnykh tekstov, vypolnennykh s razryvom vo vre-meni / Sudebno-pocherkovedcheskaia ekspertiza : posob. dlia ehkspertov-pocher-koved. i sudeb.-sledstv. rabotnikov ; otv. red. : A. I. Mantsvetova, V. F. Orlova, E. E. Dobroslavskaia. Moskva [in Russian].
Mozhar, I. M. (1966). Kriminalisticheskaia ehkspertiza rukopisei i podpisei, vypolnenny-kh s razryvom vo vremeni, v ugolovnom i grazhdanskom sudoproizvodstve : dis. … kand. iurid. nauk. Kharkov [in Russian].
Mozhar, I. M. (1962). Kriminalisticheskoe issledovanie podpisei, vypolnennykh s bol-shim razryvom vo vremeni, litsami preklonnogo vozrasta. Voprosy kriminalistiki i sudebnoi ehkspertizy : mat-ly nauch. konf. Dushanbe [in Russian].
Mozhar, I. M. (1956). Ustoichivost priznakov pocherka v zavisimosti ot vremeni. Refer-aty dokladov obieedinennoi nauch. konf. Kiev [in Russian].
Tomilin, V. V. (1963). Fiziologiia, patologiia i sudebno-meditsinskaia ehkspertiza pisma.
Moskva [in Russian].
Tomilin, V. V. (1974). Osnovy sudebno-meditsinskoi ehkspertizy pisma. Moskva [in Rus-sian].

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Published
2021-07-27
How to Cite
Drobysheva, O., Gaydamakina, D., Cataraga, O., & Alămoreanu, D. S. (2021). Topical issues of handwriting analysis of signatures performed with a significant gap in time. Theory and Practice of Forensic Science and Criminalistics, 23(1), 134-147. https://doi.org/10.32353/khrife.1.2021.10