Received anonymously by activists in the UK:

"Christmas ALF style
A Christmas message to all those who deal with Huntingdon Life Sciences from the ALF. We do not rest at this time of year!!

ADT provide security for both HLS labs. ADT Secretary in Harrow, Middx had cars paintstrippered, locks glued and tyres punctured. Property doesn't feel pain unlike the animals you help torture. Would you have provided security for the camps of Auschwitz too?

Stop providing security for the animals' hellhole or we will be back. You are on the top of our list. You have been warned. ALF"