AbstractAfter Mary K. was reported missing on October 23, 2018, the forensic team pursued a local recycling center. There, a cooler was disposed by Gerald V., was initially thought to contain the body of Mary K. The team tested the pH of various lakes in order to determine the source of the water sample that was found inside the cooler. The team concluded that the police should search Lake Berryessa because of the lower pH, consistent with the water sample in the cooler. When Elizabeth G’s delivery truck was discovered at the bottom of Lake Berryessa, the team used the kinetic molecular theory to determine that the truck could have been recovered safely without damaging evidence. The delivery truck was then recovered, and various substances inside the truck were tested. Cocaine was found on the inside of the truck, which led the team to believe it had been used by either Larry J.K., and much later in the investigation, Gerald V. Once Mary’s body was recovered, the team used a toxicology analysis to determine her approximate time of death (~24 days before the body was recovered), as well as the dosage of her medical tracer (Iodine-131). We determined that a lethal dosage (>30g) of Iodine-131 was administered. Gerald V, who worked at the medical facility where Mary was receiving her cancer treatments, would easily have been able to poison her. He, in addition to previous convictions, had a history of drug possessions. He had a long-standing relationship with Larry J.K., and may have been using Gladys’ (his mother) truck to traffic drugs. His recent marriage to Elizabeth G. would give him access to the gun used to shoot both Mary and Larry, and he likely had access to the Lake Berryessa home owned by his mother. After reviewing all of the evidence, the forensic team can conclude that the killer of Mary K. was indeed Gerald V. Full Forensic Report
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AuthorI'm Sabrina, a student at New Tech High. Archives
April 2019
CategoriesAll After Affects Biology Digital Media Environmental Oceanography Personal Research Tutorial |