How many letters did Jack write?

Answer 1

Literally, hundreds of letters claiming to be written by Jack The Ripper were mailed to the local newspapers, police and with the 'Lusk' letter, civilians that played some part in the Ripper saga. Inspector Freddrick Abberline even received at least one telegram signed Jack The Ripper.

Initially the great majority of the letters were discounted as fakes, and it is probably true that some were sent by pranksters and/or people with a sick sense of humor. But on closer inspection it seems that many of the letters thought to be a hoax may have more merit.

In conclusion, there are very few letters remaining after two world wars and several reorganizations of storage spaces withing Scotland Yard. Not to mention, a slow but steady attrition due to pilfering by souvenir hunters and the curious. It may be helpful to take a second look at what remains of the Ripper letters using modern forensic tools available today.

Answer 2

If you mean Jack The Ripper the number of letters has never been agreed upon. There are almost no original letters still surviving but it is estimated that there were as few as 200 and as many as 400. But as to whom the real authors were there is no way to know. Some thought that most were the handiwork of hoaxers, which may or may not be the case. It is very difficult to get accurate information on such an old case. The players in the Ripper case are long dead, the evidence has dwindled due to several reloctions, two world wars and philphering for keepsakes or monitary gain on the black market.