A recent rash of violence against private security guards is raising concerns about industry safety and whether more needs to be done to level the playing field against the dangers faced on the job.

A new app available in L.A. is being described as "Uber with guns." With a click of a button, users can hire an armed bodyguard.

James McGowan, a retired major of operations for the Monroe County Jail with decades of experience, said the current situation is sounding alarm bells for him.