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Case Description
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Alexander Mazin, a 27-year-old resident of San Diego, California, was tragically shot and killed on February 25, 2018, outside a 24 Hour Fitness gym in the Midway District. The incident occurred as Mazin was leaving the gym, where he was confronted by Ernesto Castellanos Martinez, a 46-year-old man who had previously dated Mazin's girlfriend. The confrontation quickly escalated, resulting in Martinez shooting Mazin multiple times, leading to his immediate death at the scene.
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Links to Additional Sources (12)
See any mistakes?Victim Details
Alexander Mazin
Male
San-diego
CA
2018-02-25
27
Alexander
Mazin
11/24/2025







