Safety

Worker Opens Fire, Kills Three Employees at Company Safety Meeting

Oct. 6, 2011

Shareef Allman, a truck driver at Lehigh Southwest Cement Permanente Plant in Cupertino, Calif., allegedly opened fire during a company safety meeting, killing three people and injuring seven others. Allman then fled the scene, allegedly carjacking a woman to escape.

Laura Walter

The shooting victims were identified as Mark Munoz, 59; Manuel Pinon, 48; and John Vallejos, 51.

Media reports indicated that Allman entered the safety meeting between 4 and 4:30 a.m., briefly stepped out and returned with two guns. He then opened fire on the employees and managed to flee, triggering a manhunt that involved various law enforcement agencies.

Latest reports indicate that authorities located, shot and killed Allman the morning of Oct. 6.

Dan Harrington, president and CEO of Lehigh Hanson Inc., said in a statement that he and others at the company are “shocked and saddened” by the workplace shooting.

“Our thoughts and prayers are with the victims and their families,” he said. “I have committed the company's resources to assist our affected employees during this difficult time.”

Lehigh Hanson Inc. is based in Irving, Texas, and is a part of the HeidelbergCement Group.

About the Author

Laura Walter

Laura Walter was formerly senior editor of EHS Today. She is a subject matter expert in EHS compliance and government issues and has covered a variety of topics relating to occupational safety and health. Her writing has earned awards from the American Society of Business Publication Editors (ASBPE), the Trade Association Business Publications International (TABPI) and APEX Awards for Publication Excellence. Her debut novel, Body of Stars (Dutton) was published in 2021.