Using the "scarcity of time" ploy
Advertisers well understand the power of the “limited-time offer” in motivating consumers to take action. You often can use the same psychology to influence the behavior of suspects.
Cst. Dan Fraser, an instructor in strategic communications for the Calgary (Alberta) Police Service, explained how this works during a class on verbal manipulation at the ILEETA annual training conference and elaborated later during an interview with PoliceOne.