two communiques, both received anonymously:

"A FEW DAYS BEFORE XMAS 2 ANIMAL KILLERS OF THE SWISS CUSTOMER OF HLS ACTELION HAD THEIR HOUSES GRAFFITED AND PAINTED. DROP HLS OR WE'LL BE BACK.
THOMAS WIDMANN FOUNDER. BRUDERHOLZALLEE 172A BASEL. 0613630150 AND CHRISTIAN ALBRICH. SCHOENENBERGSTR. 7 BASEL. 0613314035
THE TIME FOR ACTION IS UPON US. WE ARE WATCHING. ALF"

------------

"9.12.06 Allschwil Switzerland
The ALF paid a visit to Walter Fischli Senior Vice President and Founder of Actelion a biotech company which tests its poisons on animals at HLS. Walls and door were covered in paint and lock glued."