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Autopsy Evaluation of Defence Wounds in Homicidal Death in Central India | OMICS International
ISSN: 2157-7145
Journal of Forensic Research

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Autopsy Evaluation of Defence Wounds in Homicidal Death in Central India

Prakash M Mohite1*, Deepali P Mohite2, Pradeep G Dixit3, Anil J Anjankar1 and Atul S Keche1

1Department of Forensic Medicine & Toxicology, Jawaharlal Nehru Medical College, Sawangi (M), Wardha, Maharashtra, India

2Department of Oral Pathology & Microbiology, SDKSD College & Hospital, Hingna, Nagpur, Maharashtra, India

3Department of Forensic Medicine & Toxicology, Govt. Medical College & Hospital, Nagpur, Maharashtra, India

*Corresponding Author:
Prakash M Mohite
Department of Forensic Medicine & Toxicology
Jawaharlal Nehru Medical College, Sawangi (M)
Wardha-442 004, Maharashtra, India
Tel: 091-9850397120/091-8149086478
E-mail: [email protected]

Received date: October 21, 2013; Accepted date: November 18, 2013; Published date: November 21, 2013

Citation: Mohite PM, Mohite DP, Dixit PG, Anjankar AJ, Keche AS (2013) Autopsy Evaluation of Defence Wounds in Homicidal Death in Central India. J Forensic Res 4:205. doi:10.4172/2157-7145.1000205

Copyright: © 2013 Mohite PM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Defence wounds are injuries which are suffered by an individual in an attempt to save oneself from assault or while defending oneself from the offenders. The nature of these wounds varies depending on the type of weapon used, amount of force and the state of consciousness at the time of attack. They are of great significance in differentiating between manner i.e. homicide, suicide and accident. Hence the present study was undertaken to differentiate the pattern of injuries during defence in Homicidal deaths. A total of 205 cases of homicide were studied. Defence wounds were present in 44.4% of cases, out of which 92.3% were male and 7.7% cases were females. Maximum number of cases (45.1%) with defence wounds belonged to age group 20-29 years. Defence wounds present in injuries caused by sharp cutting weapon with stab wound were less (36.55) as compared to hard and blunt object (57.1%). In 30.8% cases defence wounds were present in more than one part of body. In 17.6% of cases alcohol was found in the contents of the stomach on post-mortem examination. Conclusion: The occurrence of defence wounds varies according to social, political, economic and cultural conditions of the area. The region of Central India is an agricultural region where use of sharp instruments is more common. The institute where this study was conducted is a cultural capital where fights between various social groups take place frequently.


Causative object; Defence wound; Homicidal death; Stab wound


A wound can be broadly defined as a “disruption of the continuity of tissues produced by external mechanical force”. (From the old English wund and the Old Norse und). Wounds which are present over the body to defend oneself from an assault are called defence wounds. They result due to the immediate and instinctive reaction of the victim to save oneself either by raising the body part to prevent the attack or by grasping the weapon used in attack. Presence of defence wound implies that the victim was able to put some resistance to an assault, at some stage during that assault [1].

Defence wounds are of great significance in differentiating manner of unnatural deaths i.e. Homicide, Suicide and Accident. In an assault, the natural reaction of the victim is to protect oneself and certain vital parts of the body like eyes, face, chest and head. Forearms, hands, elbows and legs are raised instinctively; hence defence wounds are more common on these parts of body. Defence wound depends on suddenness of assault and other factors like type of weapon used, Nature of wound, Intoxication, Position of assailant and victim. Presence of defence wounds indicate that victim was conscious, partly mobile and was not taken completely by surprise or was not taken unawares. Absence of defence wounds in few cases of homicides does not mean that defensive activity did not take place and hence does not rule out the possibility of homicide [2]. Metter and Benz (1989) [3] study found defence injuries in 48% of Homicidal cases. Karlsson (1998) [4] in his study identified defensive injuries in 41% of homicide victims, but not at all in suicides. Katkici et al found defence injury in 38.5% of cases [2]. Schmidt and Pollak [5] found in 45.9% of cases in his study [5].

Various studies show that the prevalence, location and effective factors associated with defence wounds vary worldwide and can be an indication of the country and the region where they would have taken place [2]. Evaluation of defence wound in cases of homicide was carried out in the Tertiary centre hospital in the region of Central India with following aims and objectives:

Aims and objectives

1) To determine predominance of defence injury.

2) To determine the part of body most commonly involved in defence.

3) To determine effective factors responsible for defence wound.

4) To determine role of alcohol.

5) To determine active and passive defence wound. Active means the victim tried to grab the weapon and the wounds are on the palmer surfaces and between fingers of the hand. Passive means that the wounds are on the dorsal surface of the hand or forearm or leg due to natural reaction of the victim.

Materials and Methods

The present study was carried out in the Department of Forensic Medicine and Toxicology at Government Medical College and Hospital, Nagpur over a period of 3 years From Jan 2003 to Dec 2006. A cross-sectional retrospective study was carried out with all cases of homicides except those caused by strangulation, burns and firearms were included in the study. Complete post-mortem examination with detailed description of injuries was done. The study sample was divided into six groups, each group comprising of a decade (Table 1).

Age (yrs) Total no of cases
10-19 14
20-29 63
30-39 58
40-49 39
50-59 19
≥60 12
Total 205

Table 1: A cross-sectional retrospective study between age vs. no. of cases.

Results and Observations

Evaluation of defence wounds in all the cases showed a male predominance in the region of Central India as shown in Table 2. A higher incidence of defence wounds occurred in the age group 20-39 years (65/121, i.e., in 53.7% cases) than at the extremes of the ages as shown in Table 3. Table 4 demonstrates an overall 60.29% (44/73) cases show defence wound in deaths due to stab injury. Defence wounds were normally seen in victims of homicides where number of assaulted injuries was more than 4 with either type of weapon as evident from Tables 5 and 6. There was a higher incidence of defence wounds in cases of assault with sharp cutting object as compared to hard and blunt object as can be inferred from Tables 7 and 8. Out of the total cases showing defence wounds in 22% cases injuries were on the forearm with equal distribution on both sides. Next common site was arm (19.8%) cases with more injuries on left side where as injuries on palmer and dorsal aspect of hand was seen in 9.9% and 12.1% cases respectively. overall in 37.4% of cases injuries were seen on left side where as in 24.2% of cases it was on right side as shown in Table 9. This is because of right handed accused assaulting from the front. In 38.54% of cases wounds were seen on both sides of the body. Site of defence wounds may depend on Right handed or left handed offender and also the direction from which the victim was attacked, i.e. from front, back or on either side of the body the injuries were inflicted. Wounds seen on the dorsal aspect were passive defence wounds depicting the natural reaction of the victim to defend or protect the blow on the vital part of the body when taken by surprise. Wounds on the palmer aspect of hand are suggestive of active defence wounds found in a young alert and conscious victim who got a chance to defend thus suffering more than one injury.

Sex Wound present Wound absent Total (%)
Male 84 94 178 (86.8%)
Female 07 20 27 (13.2%)
Total 91 (44.4%) 114 (65.6%) 205

Table 2: Sex distribution of homicidal victims with defence wounds.

Age (yrs) Present Absent Total
10-19 2 12 14
20-29 41 22 63
30-39 24 34 58
40-49 12 27 39
50-59 10 09 19
≥60 02 10 12
Total 91 114 205

Table 3: Defence wounds seen in different age group.

No. of Stab wound Present Absent Total
01 03 05 08
02 02 08 10
3 to 9 12 07 19
≥10 27 09 36
Total 44 29 73

Table 4: Defence wound in correlation to death caused by (Stab wounds) sharp cutting object and the number of wounds inflicted.

No. of wounds Present Absent Total
2-4 3 (7.7%)
40 (51.3%)
43 (36.7%)
More than 4 36 (92.3%)
38 (48.7%)
74 (63.2%)
Total 39 (33.3%) 78 (66.7%) 117

Table 5: Correlation of defence wounds present in death caused by hard and blunt objects.

No. of wounds Present Absent Total
≥4 8 7 15

Table 6: Correlation of Defence wound in cases of death caused by both sharp cutting and Hard and Blunt object.

Type of object used Defence wound present Defence wound absent Total
Sharp cutting 44 29 73
Hard and Blunt 39 78 117
Both 08 07 15
Total 91 114 205

Table 7: Correlation of defence wound present in Homicidal deaths caused by using various type of objects.

Cases with defence wounds Cases without defence wounds
Smell present Smell absent Total Smell present Smell absent Total
16 (17.6%) 75 (82.4%) 91 (44.4%) 30 (26.3%) 84 (73.7%) 114 (55.6%)

Table 8: Correlation of Defence wounds and smell of alcohol to gastric contents.

Location Present Total
Left Right Both
Palmer surface of hand 6 (17.6%)
1 (4.5%)
2 (5.7%)
09 (9.9%)
Dorsal surface of hand 7 (20.6%)
4 (18.2%)
0 11 (12.1%)
Forearm 8 (23.5%)
8 (36.4%)
4 (11.4%)
20 (22%)
Arm 10(29.4%)
7 (31.8%)
1 (2.9%)
18 (19.8%)
Any other part 3 (8.8%)
2 (9.1%)
0 05 (5.5%)
Combined - - 28 (80%)
28 (30.8%)
Total 34 (37.4%) 22 (24.2%) 35 (38.54%) 91

Table 9: Correlation of defence wounds and their location.


Homicide is one of the leading causes of death worldwide and head is the target in majority of cases [6]. The presence of defensive or violence associated traumatic wounds is indicative of a homicide [7]. The presence of defence wounds help in differentiating between homicide, suicide and accidental deaths [2].These wounds are mainly seen on the upper limbs because these are the body parts with which a defendant raises to save himself. The left side of the victim is commonly involved as this is nearest to the accused person with the preponderance of right handed individuals in the society [8]. Presence of ‘Defensive wounds’ implies that the victim was able to put up some resistance to an assault, at some stage during that assault [6]. Presence of defence wound if any also proves that the given case is of homicide; as it is a natural reaction of an individual to defend oneself at the time of assault. The present study was aimed to evaluate defence wound present in Homicidal deaths caused by the use of various types of weapon like Sharp cutting or Hard and Blunt objects or by both type of objects. In this study, incidence of defence wounds in homicidal attacks was seen in 44.4% of cases which is similar to studies carried out by U. Katkici et al. [2] (38.5%), Camps et al. [9], Mohanty et al. [8] (33.3%), Karlsson [4] (41%).

Males were the predominant group showing defence wounds (92.3% cases) in our study which is due to male dominant society in this region. Secondly being an agricultural region; Land disputes between the family members and conflict between various antisocial groups where males are the members hence predominance of male victims in homicide is observed which is similar to Gupta Avneesh et al. [10] who found three times more incidence of defence wounds in males than in females and is also similar to the study of Mohanty et al. [8] Showing male preponderance with 85.2% of cases showing defence wounds. Shotar and Jaradat [11] found defence wounds in 79.3% of males and 20.69% of female cases where as Hugar BS et al found72.5% were males and 27.5% were females [12] as against 35.2% by Katkici et al. [2], Hunt and Cowling [13]. It may be due to more violence on women in the region of their study. Schimdt et al. [5] did not find any significant difference between males and females. This increase in percentage of defence wounds in males indicates that they show more aggressive behaviour turning to violence as compared to females. Amongst males the age group between 20-39 years consisted of the most number of cases with defence wounds (53.1%) demonstrating similarity with the study carried out by Katkici et al. [2], Gupta et al. [10] (38%), Mohanty et al. [14] (38%), Ali M Shotar et al. [11], Hugar et al. [12] (46-79.3%) of cases below 30 years of age group. Lowest involved group was of persons more than 60 years of age and victims below the age of 19 years. It may be due to weaker section of the society who is unaware of the assault or sudden attack or known relative being the offender, so they don’t suspect any foul play.

The presence of defence wounds in younger age group indicates a better reaction to sudden assault. Individuals of this age group are more alert and respond quickly and spontaneously to sudden attack. As age advances the response to sudden attacks weakens and individuals show relatively fewer defence wounds.

Defence wounds were present in 60.3% cases of stab injuries whereas it was 33.3% in cases showing injuries caused by hard and blunt objects. Defence wound was commonly seen in individuals/victims showing more number of injuries as compared to victim showing a single wound, which proves that more the number of injuries more are the chances of defence wounds, suggesting that the victim gets a greater chance to defend himself as was observed by Mohanty et al. [14].

Alcohol consumed by the victim around the time of attack weakens the activity of defence. This is evident in our study where defence wounds were present in only 17.6% cases in which there was smell of alcohol to the gastric contents as compared to 82.3% cases where victims had not consumed alcohol similar to study by Katkici et al. [2] According to Katkici et al. [2], alcohol is a resistance breaking factor.

The present study shows presence of defence wounds predominantly on the arm, forearm and dorsal surface of the hand. Defence wounds obtained whilst fending off an assailant with a knife are typically found on the dorsum of the hand and backs of the forearms (ulnar border) and upper arms. When an attempt is made to grab the knife blade from the assailant, incised wounds may be found between the thumb and fingers, across the palms or in the webspace between the bases of the thumb/ index finger. Next in the order of occurrence was palmer surface of the hand and other parts like back of the shoulder. In 38.5% cases defence wounds were present on both sides whereas it was present on left side in 37.4% cases and on right side in 24.2% cases. Similar findings were noted in a study carried out by Knight [1], Katkici et al. [2], Metter and Benz [3], Camps et al. [9], Hugar et al. [12], Curran et al. [15]. This is because of prevalence of right handed persons in the society.

Depending upon the type of weapon producing the most number of defence wounds, we concluded that assault by sharp cutting weapon produced more defence wounds as compared to assault with hard and blunt objects similar findings were noted by Inoue et al. [16]. Stab wounds are incised wounds where the length of injury on the surface is less than the depth of penetration into the body, and are the result of a thrusting action, where the force is delivered along the long axis of a narrow, pointed object. The force of impact is concentrated at the tip of the implement, and the sharper the tip, the easier it will penetrate the skin. The injuries caused by light weight sharp cutting, sharp and pointed or heavy sharp cutting weapons were not segregated all were included in the category of sharp cutting weapons.

Summary and Conclusion

The study was carried out to evaluate the nature of defence wounds present in victims of Homicides assaulted by different kinds of weapons. Depending on the geographical and cultural background of the area it is observed that there is male preponderance and younger age group is more commonly involved. Defence wound was obviously seen in cases where number injuries were noticed which show that conscious or alert victims tends to better defend oneself. Defence wounds were observed in cases of assault by sharp edged objects as compared to hard and blunt objects in which victims may not get a chance to defend themselves due to fatal blow. It is observed that alcohol consumption by the victim decreases the resistance factor for defence. Forearm, arm and hand are the common sites observed for the defence which is due to natural reaction of a conscious victim showing both active and passive defence wounds. 44.4% cases in the present study shows the presence of defence wounds. The absence of defence wounds in the remaining cases might have been because the victim did not have a chance to defend himself from the attack. This may be either due to a single fatal blow, suddenness of attack or the victim being taken by surprise as the offender being a close relative. The absence of defence wounds may also be due to intoxicating effect of alcohol which may hinder the response to attack. Thus absence of defence wound does not rule out the possibility of homicide but presence of defence wound in an assaulted case definitely proves of a homicidal intent.


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