John Birges Senior was born in Hungary in 1922 and arrived in the United States in 1957 after escaping a sentence in a Soviet labor camp. He settled in Fresno, California, opened a successful landscaping company and a popular restaurant called the Villa Basque, raised two sons, and spent the late 1970s losing significant amounts of money at the blackjack tables of Harvey's Wagon Wheel Casino in Stateline, Nevada, on the south shore of Lake Tahoe. By the spring of 1980, his losses to Harvey's were estimated at approximately 750,000 dollars, his businesses were failing, and his marriage was in advanced collapse. He decided in May 1980 that the appropriate response was extortion through a bomb that the casino would have no realistic way to defuse.
The bomb was constructed in the basement of Birges's Fresno home over a period of approximately three months in the summer of 1980. Birges recruited four accomplices, including his two adult sons, John Junior and Jimmy, and two acquaintances named Willis Brown and Terry Lee Hall. The five men assembled the device using one thousand pounds of commercial dynamite that Birges had stolen earlier that summer from a construction site near Fresno. The dynamite was packed into a steel cabinet roughly the size of a large kitchen refrigerator. The cabinet was painted gray and marked with bogus IBM Corporation labels so that it would appear, if briefly inspected, to be a piece of office computing equipment.
The internal design of the bomb was the part that made the device historically significant in the history of American bomb disposal. The detonation circuit was wired to twenty-eight separate toggle switches, each of which would trigger the bomb if any of the others was moved. A separate float-based mercury switch would trigger the bomb if the cabinet was tilted by more than approximately three degrees. A second mercury switch would trigger the bomb if the cabinet was lifted vertically. A pressure plate underneath the cabinet would trigger the bomb if any weight was removed from the floor below it. A timer set for a non-disclosed countdown would trigger the bomb regardless of any other condition. The device was, in effect, designed to detonate under any plausible attempt at disarmament.
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The delivery occurred on August 26, 1980, at approximately three in the morning. Birges and three of his accomplices wore white coveralls intended to suggest a commercial appliance delivery service. They wheeled the cabinet through the service entrance of Harvey's, took a freight elevator to the second floor, and left the device in a corridor outside the executive office suite. They left a typed three-page letter on top of the cabinet. The letter described the device, listed the anti-tamper switches, and demanded a ransom of three million dollars in used one-hundred-dollar bills. The ransom was to be delivered by helicopter to a remote location in the Sierra Nevada mountains. The letter promised a single attempt at disarmament instructions if the ransom was paid promptly.
Harvey's management contacted the Federal Bureau of Investigation within approximately one hour. The FBI evacuated the casino, the adjacent Harrah's Lake Tahoe casino across the highway, and the residential neighborhoods within a one-mile radius. By midday on August 26, approximately two hundred FBI agents and bomb technicians had assembled at the scene. The bomb team confirmed the description in the letter using portable X-ray equipment. The team concluded that the design was authentic, that the explosive yield was approximately equivalent to one ton of TNT, and that no realistic disarmament procedure could be guaranteed safe with the technology that the FBI possessed in 1980.
The decision to attempt remote disablement was made on the morning of August 27. The bomb team chose a procedure that involved using a small shaped charge to cut the wire that connected the detonator to the main charge. The procedure was based on the assumption that the cut would be clean and that no electrical signal would propagate from the detonator to the main charge during the cut. The procedure was tested on a replica device that the FBI had constructed overnight. The replica test succeeded. The actual procedure, performed at approximately three eighteen in the afternoon on August 27, did not. The shaped charge initiated a partial detonation in the detonator, which propagated to the main charge, which detonated. The explosion destroyed approximately five floors of the south wing of Harvey's casino and produced a crater roughly twenty feet wide and ten feet deep.
No one was killed because the building had been evacuated for approximately thirty hours by the time the device detonated. Property damage was estimated at approximately eighteen million dollars in 1980 prices, equivalent to roughly seventy million dollars in 2026. The south wing was rebuilt over the following twenty-four months. Harvey's reopened on schedule and continued operating for the next several decades. The casino was acquired by Harrah's Entertainment in 2001, was rebranded as Harveys Lake Tahoe shortly afterward, and was acquired again as part of the Caesars Entertainment portfolio in subsequent years.
The investigation that identified Birges as the bomber proceeded over the next eight months on the basis of fingerprints lifted from inside the cabinet, telephone records associated with the ransom letter, and a confidential informant tip. The informant was Birges's son John Junior, who had been one of the accomplices in the construction of the bomb and had become estranged from his father in the months following the explosion. John Junior provided a detailed statement to the FBI in February 1981 in exchange for a reduced sentence on his own role in the conspiracy. Federal agents arrested John Birges Senior, John Birges Junior, Jimmy Birges, Willis Brown, and Terry Lee Hall on a coordinated schedule between February and April 1981.
John Birges Senior was convicted in 1982 of one count of attempted extortion and one count of unlawful possession of explosives. He was sentenced to life imprisonment in federal custody. He filed a series of appeals over the following decade, all of which were unsuccessful. He died of liver cancer in a federal prison hospital in California in August 1996 at age 74. His two sons received reduced sentences in exchange for cooperation. Willis Brown and Terry Lee Hall received intermediate sentences. The original three million dollar ransom was never paid. None of the conspirators ever obtained any portion of the demanded payment.
The Harveys bomb is still studied by FBI bomb technicians as one of the most sophisticated improvised devices ever encountered in domestic American law enforcement. The twenty-eight-switch anti-tamper architecture has been incorporated into FBI training materials since the early 1990s. The disablement procedure that failed in 1980 has been replaced by remote-handling procedures that are designed to operate at distance from the device, a doctrinal change that was driven directly by the Harveys experience. The deeper question that the case raises (whether casinos that knowingly extend large amounts of credit to clearly unstable problem gamblers carry any moral responsibility for the catastrophic decisions those players sometimes make in response) has never been definitively answered and is unlikely to be in the foreseeable future.