external In the Media July 12, 2022 Bobby McDonald, a lecturer in criminal justice, discusses Valley Transit Authority mass shooting in 2021 by a disgruntled employee that left nine people dead and the recent arrest of another VTA employee for an alleged threat of gun violence over a company policy. https://www.ktvu.com/news/vta-driver-allegedly-threatened-some-shooting-over-covid-policy robert-e-mcdonald news-all news-in-the-media year-2022 month-july name-robert-e-mcdonald