Psychologist talks how to thwart workplace violence

JACKSONVILLE, Fla. -- Police now say this week's police shooting may have thwarted a bigger incident. The couple involved had sent a threatening email to the owner of a storage facility Tammy Lynn Gill used to manage.

We spoke with psychologist Dr. Justin D'Arienzo about why some people may get so upset about the loss of a job to threaten violence.

Watch the video for more.