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S.A. 12-026 <br />Investigator: P. Carvo Approved By: <br />Date of Report: January 23, 2013 Date: 01/29/13 <br />Page 21 of 22 <br />PROJECTILE EXAMINATIONS: <br />Evidence Marker Description Weight (grains) Comments <br />EM 6 <br />(1) Winchester SXT <br />jacketed hollow point <br />bullet fragment <br />78 <br />Marks from right twist <br />polygonal rifling. Sustained <br />too much damage to <br />determine caliber. Unsuitable <br />for microscopic comparison <br />EM 9 <br />(1) .40 Smith & Wesson <br />caliber Winchester <br />SXT jacketed hollow <br />point bullet <br />176 <br />Marks from six-sided right <br />twist polygonal rifling. Shares <br />class characteristics with the <br />Glock pistol. <br />EM 10 <br />(1) Winchester SXT <br />jacketed hollow point <br />bullet jacket <br />fragment <br />13 <br />Marks from right twist <br />polygonal rifling. Sustained <br />too much damage to <br />determine caliber. Unsuitable <br />for microscopic comparison <br />EM 13 (1) Lead fragment 40 Lacks marks suitable for <br />classification <br />CARTRIDGE CASING EXAMINATIONS: <br /> The four fired cartridge cases from the scene (EM1–EM4) were Winchester brand, .40 <br />Smith & Wesson caliber. They were microscopically compared to the test fired cartridge cases <br />from the Glock pistol belonging to Officer ENRIQUEZ. All four were determined to have been <br />fired by the Glock pistol. <br />TOXICOLOGICAL EXAMINATION: <br /> A sample of GUILLEN’s pre-transfusion/admitting blood, collected at WMCSA, was later <br />analyzed by OCCL and showed a The blood sample was also <br /> <br /> .