The 66-year-old man arrested for killing seven farmworkers and injuring an eighth was an employee at the mushroom farm where he once worked – and then fired off a hail of bullets – in a case where "all evidence points to workplace violence," according to the San Mateo County Sheriff. Subscribe to FOX 11 Los Angeles: https://www.youtube.com/channel/UCHfF8wFnipMeDpJf8OmMxDg?sub_confirmation=1 Watch FOX 11 Los Angeles Live: https://www.foxla.com/live FOX 11 delivers breaking news, live events, undercover investigations, police chases, true crime files, business news, celebrities and entertainment on Good Day LA (GDLA) and local stories from Los Angeles, Long Beach, Pasadena and across the nation. Watch more FOX 11 on YouTube: Police Chases: https://bit.ly/3t2xQqc Funny Moments: https://bit.ly/3cbbFXX Celebrity Interviews: https://bit.ly/38kakg8 Archives: https://bit.ly/30qtxso Download the FOX 11 News app: https://www.foxla.com/apps Follow FOX 11 Los Angeles on Facebook: https://www.facebook.com/fox11la/ Follow FOX 11 Los Angeles on Twitter: https://twitter.com/foxla/ Follow FOX 11 Los Angeles on Instagram: https://www.instagram.com/foxla/ Subscribe to the FOX 11 newsletter: https://www.foxla.com/email