Mail dumped in trash can by postal carrier "A postal investigator from the U.S. Postal Service is investigating an incident of undelivered mail found dumped in a garbage can in the 1000 block of South Harvey Avenue in Oak Park. The mail was reportedly dumped by a Postal Service mail carrier, according to eyewitness accounts. If found guilty of desertion of mails, the mail carrier faces a year in prison and a hefty financial fine."