Considered by some to be a terrorist group and others to be freedom fighters, the ALF has burned down campus buildings and is active in the area around Davis, setting fire to new developments in the region. 
Thurman Laboratory (1987)
The most expensive damage in animal protest history, the building was burned down. For more information, see the Thurman Laboratory entry.
Center for Comparative Medicine (1997)
On March 18, 1997 during the construction of the Center for Comparative Medicine, there was an arson event that the ALF claimed credit for. About 10 square feet were damaged for under $1,000 of damage.
Thurman Laboratory (1997)
On April 20th, thirty-two animal activists were arrested and charged with trespassing, resisting arrest, vandalism, and wearing a mask during the commission of a crime. From 11am to 3pm, thirty-four protesters demonstrated in front of the site of the 1987 arson event.
Police arrested and jailed 29 adults and three juveniles:
- Nicole Dawn Briggs, no date of birth given, of Santa Cruz, charged with trespassing
- Stephanie Hope Ewton, 27, of Sebastopol, trespassing
- John Paul Goodwin, 24, of Memphis, Tenn., trespassing
- Brian Halverstady, 21, of Seattle, Wash., trespassing
- Dustin Curtis Hamann, 19, no hometown given, trespassing and vandalism
- Joshua Caleb Harper, 22, of Portland, Ore., trespassing
- David Patrick Hayden, 29, of Costa Mesa, trespassing
- Kevin Michael Keller, 19, of San Francisco, trespassing, resisting an officer and wearing a mask during commission of a crime
- Michael Ian Kennedy, 19, of Novato, trespassing
- Lisa J. Lakeman, 42, no hometown given, trespassing
- Sheila Adele Laracy, 50, of Sacramento, trespassing
- Corinna Margaret Lawrence, 18, of San Pedro, trespassing and resisting an officer
- Peter J. Leone, 28, of Williams, trespassing and resisting an officer
- Chelsea Knox Lincoln, 21, of Eugene, Ore., trespassing
- Gerard Leon Livernois, 33, of Costa Mesa, trespassing
- Kattie Louis, 19, of Portland, Ore., trespassing
- Jonathan C. Mark Paul, 31, of Williams, trespassing and resisting an officer
- Eric Joseph Paulson, 25, of Guerneville, trespassing
- Jessica Mohr Peters, 19, no hometown given, trespassing, resisting an officer, wearing a mask during commission of a crime
- Leslie James Pickering, 19, of Portland, Ore., trespassing
- Craig Scott Rosebraugh, 25, of Tigard, Ore., trespassing
- Lawrence Alvin Schlagel II, 24, of San Francisco, trespassing
- Todd Bennett Selby, 19, of Berkeley, trespassing
- Bhaskar Sinha, 18, of Davis, trespassing and vandalism
- Derek William St. Pierre, 24, of San Francisco, trespassing and vandalism
- Deborah Lynn Svoboda, 25, Concord, trespassing, resisting an officer
- Crescent Vellucci Jr., 48, of Sacramento, trespassing and resisting an officer
- David Leigh Wilson, 19, of Kearns, Utah, trespassing and resisting an officer
- Peter Daniel Young, 19, no hometown given, trespassing and resisting an officer.
