
The truth, as revealed in the sources, paints a detailed picture of the high-stakes concerns surrounding Usama Bin Ladin’s potential access to chemical weapons in the mid-1990s, particularly in August 1998, when Richard Clarke’s staff specifically noted that Bin Ladin likely had access to VX nerve gas produced at a plant in Sudan known as al Shifa. This assessment was not an isolated incident but part of a broader, intensifying apprehension within the U.S. government regarding Bin Ladin’s ambitions for mass-casualty attacks.
Bin Ladin’s desire to kill on a mass scale was evident earlier, with reports of his business aides attempting to purchase weapons-grade uranium in 1997, valuing it at $1.5 million and noting “it’s easy to kill more people with uranium”. While that particular endeavor proved to be a failure with a bogus purchase, it clearly signaled his intentions. His interest in weapons of mass destruction (WMD) was a persistent theme, with intelligence in May and June 1999 indicating chemical weapons training or development at the Derunta camp and possible attempts to amass nuclear material at Herat. Fragmentary indications of Iraqi contacts involving training in chemical weapons also dated back to Bin Ladin’s years in Sudan. He was even reportedly heard speaking of wanting a “Hiroshima” and at least 10,000 casualties.
Against this backdrop, the focus on the al Shifa plant became particularly sharp. CIA reporting indicated ownership links between Bin Ladin and the facility. Crucially, an Egyptian agent working with the CIA had obtained a soil sample from the vicinity of the al Shifa plant, and this sample tested positive for EMPTA, a precursor chemical for VX nerve gas. This scientific corroboration underscored the urgency of the intelligence. By August 18, two days before the embassy bombings, Richard Clarke’s staff directly communicated that Bin Ladin “has invested in and almost certainly has access to VX produced at a plant in Sudan”. Senior State Department officials reportedly received a similar verdict independently, although it was likely based on the same intelligence report. However, Mary McCarthy, the NSC senior director for intelligence programs, initially cautioned National Security Advisor Sandy Berger that “much better intelligence on this facility” was needed before seriously considering options, noting the link between Bin Ladin and al Shifa was “rather uncertain at this point”. Despite this caution, Berger articulated his profound concern about the potential consequences if a decision went against hitting al Shifa and nerve gas were subsequently used in a major U.S. city, such as a New York subway, two weeks later.
This specific concern about chemical and biological terrorism was deeply rooted in the Clinton administration. President Clinton himself had expressed great concern about such threats within the United States, especially after the Aum Shinrikyo cult released sarin nerve gas in the Tokyo subway in March 1995, killing 12 and injuring thousands. Clarke, a key figure in counterterrorism efforts, tirelessly sounded alarms about biological weapons attacks and even cyberterrorism, highlighting the need for preparedness. Indeed, Clarke had led a secret, multi-hour exercise at Blair House just weeks before the August 1998 attacks, where top Clinton administration officials rehearsed their reactions to a WMD attack. CIA Director George Tenet also consistently listed the proliferation of unconventional weapons as a paramount threat.
The embassy bombings in Nairobi and Dar es Salaam on August 7, 1998, served as a devastating catalyst. Suspicion swiftly and firmly fixed on Bin Ladin due to “unusually good intelligence,” particularly from a yearlong monitoring of his cell in Nairobi. In response, the immediate option debated was the use of Tomahawk cruise missiles. The argument for striking al Shifa was twofold: to financially cripple Bin Ladin and to reduce the chance of him acquiring nerve gas for future attacks. Consequently, on August 20, 1998, President Clinton ordered missile strikes as part of “Operation Infinite Reach,” targeting Bin Ladin camps in Afghanistan and the al Shifa plant in Sudan.
However, the immediate aftermath was fraught with controversy. Neither Bin Ladin nor any other senior terrorist leader was killed in Afghanistan, though the strikes killed 20-30 people in the camps. The al Shifa plant was destroyed, but the Sudanese government vehemently denied it produced nerve gas, opening the facility to journalists to show it was seemingly harmless. This led to widespread public criticism, often framed as the “wag the dog” slur, suggesting the strikes were a distraction from Clinton’s personal problems. This intense partisanship and the nature of the al Shifa evidence had a “cumulative effect” on future decisions regarding the use of force against Bin Ladin. Clinton, unsettled by the criticism, even ordered a detailed review of the evidence that had led the CIA to recommend al Shifa as a target, reinforcing his existing skepticism about CIA competence.
Despite the controversy, the U.S. government continued to grapple with the threat. In November 1998, a sealed grand jury indictment against Bin Ladin was publicly disclosed, charging him with conspiracy to attack U.S. defense installations. This indictment also claimed that al Qaeda had allied itself with Sudan, Iran, and Hezbollah. The original sealed indictment even included a passage about an “understanding” with Iraq that al Qaeda would not work against that government and would “work cooperatively with the Government of Iraq” on certain projects, “specifically including weapons development”. Clarke, having read intelligence reports on Iraqi-Sudanese cooperation on chemical weapons, speculated that a large Iraqi presence at chemical facilities in Khartoum was a “direct result” of this agreement, and noted that VX precursor traces near al Shifa were the “exact formula used by Iraq”. However, this specific language about an “understanding” with Iraq was dropped when a superseding indictment was filed in November 1998. The intelligence community’s concern over Bin Ladin’s WMD ambitions, including nuclear material, persisted into 1999.
In essence, the August 1998 assessment regarding Bin Ladin’s likely access to VX nerve gas from al Shifa was a critical moment, reflecting deep-seated fears about WMD terrorism, Bin Ladin’s increasingly clear malevolent intentions, and the challenges of intelligence and political will in addressing a novel, elusive threat. The subsequent strike and its fallout underscored the complexities of counterterrorism in the mid-1990s, where definitive proof, political scrutiny, and the inherent risks of intervention constantly intersected.