The letter that begins with the famous expression quotdear bossquot was received on september 1888 thursday the 27th by the press agency central news agency of london which delivered it to scotland yard two days later it was written in red and contained many macabre details that they could not be ignored it was signed jack the ripper the horror of whitechapel had finally a namea name that would have badgered the district forever letters from whitechapel dear boss the firs