"Officers informed her that carrying a four-inch blade, even a straight-blade, is a felony if it’s concealed in a pocket. . ." That's state law if I'm not mistaken. I keep a folder visibly clipped to my right front pocket and have had no issues.

Other than that, the story is very disturbing. Normally in rural areas, there is a lot more leniency wrt enforcing those laws. Wonder how it turned out? . . .