• Lucia Tattoli, Simone Schmid, and Michael Tsokos.
• Institute of Legal Medicine, University of Bari, P.zza G. Cesare, 11, 70124, Bari, Italy, luciatattoli@libero.it.
• Forensic Sci Med Pathol. 2014 Dec 1; 10 (4): 613-8.

AbstractWe report an unusual case of suicide in which three 7.65 caliber projectiles were found in the single gunshot wound to the head of a 53-year-old man. Based on data collected at the death scene, CT scan, autopsy findings, and ballistics analysis, the events were reconstructed as follows: two 7.65 mm rounds had already been fired from the 9 mm Makarov pistol the subject was using but, being a smaller caliber, the cartridges had slipped forward and lodged within the barrel. When a third 7.65 mm cartridge was chambered and the gun fired for the third time, the nose of the last bullet hit the lodged bullets and all three rounds were propelled out of the muzzle in tandem as a single shot. Ballistic investigations confirmed that the kinetic energy of the three tandem bullets would have been sufficient to perforate the skull. In cases of gunshot wounds where the manner of death is unclear, a number of well-described circumstantial parameters, such as an atypical anatomical location of the gunshot, unusual firearm, or ammunition, as well as ambiguous autopsy findings, can raise doubts about the manner of death. In very rare cases, despite a single entrance wound, two or more bullets are recovered from the body, fired by the same weapon at the same time (the so-called "tandem bullet" phenomenon). Injuries by "tandem bullets" have crucial implications in gunshot deaths because of the mismatch between the number of entrance and exit wounds and the number of bullets found in or near the body.

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