Abstract
How should law enforcement resources be allocated to minimize the harms from flexible, chain-form trafficking organizations? I show that optimal interventions focus on one target, the feeding source (decapitation) or the revenue-generating tail (amputation). Decapitation dismantles the crime chain under large budgets but induces maximal expansion otherwise, whereas amputation generates a rich set of detection outcomes and limits the chain’s size response. A rule of thumb emerges for authorities to target tail segments under small budgets and high detection contiguity, qualified by chain profitability and enforcement parameters. Real-world interventions fail to coordinate on such efficient targeting. (JEL K42)
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