ARCCA Incorporated Forensic Engineering Seattle

ARCCA Incorporated Forensic Engineering Seattle

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Pannucci C.J.,University of Utah | Cyr A.J.,ARCCA Incorporated Forensic Engineering Seattle | Moores N.G.,University of Utah | Young J.B.,University of Utah | Szegedi M.,University of Utah
Journal of Forensic Sciences | Year: 2017

This ballistics study examines whether saline breast implants can decrease tissue penetration in firearm injuries. We hypothesize that the fluid column within a saline breast implant can alter bullet velocity and/or bullet pattern of mushrooming. The two experimental groups included saline implants with 7.4 cm projection and a no implant group. The experimental design allowed the bullet to pass-through an implant and into ballistics gel (n = 10) or into ballistics gel without passage through an implant (n = 11). Shots that passed through an implant had 20.6% decreased penetration distance when compared to shots that did not pass-through an implant; this difference was statistically significant (31.9 cm vs. 40.2 cm, p < 0.001). Implant group bullets mushroomed prior to gel entry, but the no implant group mushroomed within the gel. Bullet passage through a saline breast implant results in direct bullet velocity reduction and earlier bullet mushrooming; this causes significantly decreased ballistics gel penetration. © 2017 American Academy of Forensic Sciences.

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