9). Of the 73 documented cases, 63 were directed against civilian targets and 10 were directed against military targets (Teich, 2013, p. 9). Though casualties from lone wolf attacks are usually fairly limited when compared to attacks conducted by organized terrorist groups, they still inflict the same level of fear and are on the rise.
From 1955 until 1977, only 7% of people who were killed in a terrorist attack were killed by lone wolves (as cited in Spaaij, 2010, p. 859). By 1999, that percentage would increase to 26% even though lone wolf attacks represented less than 2% of all terrorist attacks against the United States and other countries (as cited in Spaaij, 2010, p. 859; Meloy & Yakeley, 2014, p.350). Today attacks by lone wolves are still on the rise and are one of the foremost security concerns for counter-terrorists organizations and security forces (Kushner & Martin, 2011, p. 361).
Defining the Lone