Received anonymously by activists in the UK:
"Guinea pig killer John Hall loves his daughter very much! He would have been devastated to hear then that a crucified voodoo doll containing 70 skewers plunged into every orifice and with the eyes and mouth cut out had been left on his daughter's doorstep in the dead of night!
Get it straight John Hall: your cameras mean nothing, prison time means nothing, your money means nothing - YOU CANNOT STOP US!
FOR THE ANIMALS! ALF!"