She isn’t too bright.
Any self respecting mailer who doesn’t want to get tagged would drive at least 100 miles to place such a letter in a public mail box.
It was postmarked in Shreveport, LA.
Exactly. You never mail a threat from your work or home. Mail is easy to to trace. Never print a incriminating letter from your personal printer either - or if you do then dispose of the printer. Handel the envelope and letter while wearing gloves
I think I watch to many police shows