A postal worker was fatally shot while out delivering mail in Milwaukee, Wisconsin on Friday, according to a news release.The Milwaukee Police Department responded to the 5000 block of North 65th street at around 5:59 p.m. and found a 44-year-old male victim with a gunshot wound."The Milwaukee Police Department sends our sincere condolences to the victim's family and to the USPS for the loss of their member," the department said in a statement.The United States Postal Inspection Service says they are leading the investigation into the 44-year-old's death with help from local law enforcement."To protect the integrity of the investigation, no further details will be provided at this time.""