; (B) the attackers’ behavior gave some indication that the individual was planning, or at least contemplating, an attack; (C) most attackers had already exhibited a pattern of behavior that elicited concern to other people in their lives; and (D) prior to the attack, someone associated with the attacker, such as a family member or peer, often knew the attack was to likely to occur. (8) Through their research, the Center developed the Secret Service’s behavioral threat assessment model for preventing targeted violence, which includes a 3-step process— (A) identifying individuals who are exhibiting threatening or concerning behaviors that indicate they may pose a risk of violence; (B) assessing whether the individual poses a risk, based on articulable facts