Guevarra worked as a staff nurse at Seton Medical Center for 12 years. In mid-May 2011, shortly before she went to work, she posted the following Facebook post:
Instead of spending my birthday celebrating, I will be working all night cleaning up feces. I loathe that effin heffer!!! Burn in hell you effed up spawn of satan. I curse you and wish you a lifetime of pain and suffering. That is not enough, right now I would give anything you small you down and pound you to unconsciousness. ‘Tang ina*...