does a... (true or false)

“Does a briefcase, duffle bag, or backpack seem extra heavy or have protrusions or visible wires? When the individual sits down, is he or she overly protective of this item or preoccupied with it?”

International Association of Chiefs of Police training guide on profiling suicide bombers PDF document: http://www.theiacp.org/pubinfo/IACP581SuicideBombersPart1.pdf