Tiger kidnapping is a crime in which a person is abducted to coerce someone close to them into committing an illegal act, typically a robbery or a smuggling operation. The term was coined in Ireland in the 1980s, named for the way criminal gangs stalk their targets with patience before striking, much as the predator stalks prey (Walsh, Louise. “Tiger Kidnapping.” The Irish Times, 16 Aug. 2024). The first recorded instance dates to 1972, but the tactic became widespread during the Troubles, when the Provisional Irish Republican Army forced civilians to deliver car bombs to British military installations by holding their families hostage.

After the 1998 Good Friday Agreement curtailed paramilitary violence, the method did not disappear; it was adopted by organized criminal gangs across both the Republic of Ireland and Northern Ireland, who recognized its effectiveness in a close-knit society where targets are easily tracked. The most infamous case was the December 2004 Northern Bank robbery in Belfast, in which a gang held the families of two bank executives overnight and forced them to wheel £26.5 million out of the vault. The PSNI Chief Constable publicly attributed the heist to the Provisional IRA, though the organization denied involvement (“IRA Blamed For $42M Bank Heist,” CBS News, 17 Feb. 2005). Five years later, armed men took the family of a junior Bank of Ireland employee hostage and compelled him to remove €7.6 million in cash. Following that robbery, Irish parliamentarian Charlie Flanagan remarked that tiger kidnappings were occurring in Ireland “at a rate of almost one per week” (“Tiger Kidnappings: A Crime Within a Crime.” AXA XL, 7 Apr. 2018).

Along the US-Mexico border, the setting of Caller Unknown, the term itself is rarely used, but analogous coercion tactics are well documented. A 2024 investigation by the Washington Office on Latin America found that kidnapping and extortion of migrants along the Texas-Tamaulipas border had escalated sharply since late 2023, with service providers reporting that criminal groups routinely abduct individuals and families to extort ransoms or coerce victims into smuggling operations (Brewer, Stephanie. “Kidnapping of Migrants and Asylum Seekers at the Texas-Tamaulipas Border Reaches Intolerable Levels.” Washington Office on Latin America, 4 Apr. 2024). In 2024, the FBI’s El Paso field office issued a warning about escalating kidnapping-for-ransom extortion crimes along the border, driven by transnational criminal organizations exploiting vulnerable populations (“FBI El Paso and U.S. Border Patrol Warns Public of an Increase of Kidnapping for Ransom Extortion Crimes in the Borderland.” FBI El Paso, 12 Jan. 2024). Separately, multiple federal prosecutions have exposed corrupt Border Patrol agents who facilitated smuggling for cartels, including a 2025 case in which an Arizona agent was sentenced to 18 years for accepting bribes to transport fentanyl and heroin (“Former Border Patrol Agent Sentenced to 18 Years in Prison for Drug Smuggling and Bribery.” US Attorney’s Office, District of Arizona, 12 Apr. 2024). In Caller Unknown, Simone’s ordeal exemplifies these patterns, dramatizing how tiger kidnapping exploits the one leverage point against which calculation fails entirely: love.