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John Vallejos

Case from Cupertino, CA dated Oct 05, 2011

Victim Details

John Vallejos

Male

Cupertino

CA

2011-10-05

51

John

Vallejos

06/25/2026

Case Description

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John Vallejos, aged 51, tragically lost his life on October 5, 2011, in a horrific shooting incident at the Lehigh Southwest Cement Permanente Plant in Cupertino, California. Vallejos was one of three victims killed in a rampage carried out by Shareef Allman, a disgruntled employee of the plant. The incident occurred during an early morning meeting to discuss safety issues, where Allman opened fire on his colleagues using a .223-caliber semi-automatic rifle and a .40-caliber handgun. Vallejos, a ...
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Links to Additional Sources (8)

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  • The Mercury News: Funerals today for 2 Cupertino cement plant shooting victims
  • Gunman Escapes After Killing 3, Wounding 7 In Cupertino Quarry ...
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    Forum Posts (1)

    I’ve been thinking a lot about the broader effects of workplace violence, especially after learnin... ...Read More
    11/01/2023
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