Mark Cole

Mark Cole is a young civilian official attached to the military presence on Jonas Lear’s Bolivian expedition. He brings the expedition under military authority while presenting the soldiers as protection; his death in a subsequent bat attack turns that initially puzzling escort into one of the expedition’s first casualties of a threat no official explanation had prepared it to face.

Identity and Introduction

Cole arrives at the expedition’s base camp by helicopter with a squad of Special Forces soldiers, whose equipment and appearance make clear that this is not an ordinary scientific escort. Lear estimates that Cole is not yet thirty and notices his conspicuous tan. Cole introduces himself as Mark Cole and greets Lear with a broad grin, then tells him that he has come a long way to meet him.

Cole’s authority is civilian but backed by armed force. When Lear objects that the expedition is a civilian scientific undertaking, Cole says it is no longer one: Lear has been made a major. Lear asks who made that decision, and Cole answers that his boss is the president of the United States. The exchange establishes Cole as the messenger of a political and military intervention whose reach extends directly into the expedition’s organization.

The Expedition’s Militarization

Cole describes the soldiers’ assignment as protection. He tells Lear that the area ahead is known to be controlled by the Montoya drug cartel and asks how it would look if American scientists were killed by drug lords in Bolivia. Lear recognizes the explanation as unconvincing: the cartel operates to the west, on the altiplano, while the eastern basin the expedition is entering is virtually uninhabited apart from scattered Indigenous settlements, many without outside contact for years. Lear believes Cole knows this too.

The mismatch between the stated rationale and the actual geography leaves the purpose of the escort unresolved. Cole’s explanation makes the intervention sound like a matter of public image and foreign policy, while Lear suspects that the soldiers have been sent for a reason the official account does not disclose. Cole’s presence therefore marks a shift in the expedition without clarifying what the government expects to find or prevent.

Death in the Bat Attacks

After the first bat attack, the expedition is already in crisis: four people have died, including Claudia Swenson, and six others have been bitten or scratched and are seriously ill. The soldiers establish a defensive perimeter before another attack. In the second assault, however, the swarm is so vast that the defenses fail; three soldiers are killed along with Cole.

Lear sees Cole die directly in front of him. The swarm lifts him off his feet, and the attack leaves little of him to bury. Cole’s death is not only a personal loss but a reversal of the expedition’s apparent balance of power: the armed escort brought to protect the scientists cannot protect its own civilian leader from the danger in the jungle. The next night is quiet, and the survivors build a fire line around the camp while considering evacuation, but Cole is already among those who will not return.

Narrative Significance

Cole first appears as the confident face of an unexplained intervention. He translates military authority into a simple promise of protection, yet Lear’s knowledge of the region undermines the justification even before the expedition is attacked. His death exposes the limits of that promise without revealing the hidden reason for the military presence.

Later accounts place the Bolivian expedition within the history of the outbreak. Colonel Sykes tells Bradford J. Wolgast that the CDC’s attention began with four American terminal-cancer patients who had become ill after an ecotour in the jungle. During the crisis, public reporting describes Colorado fever as a possible terrorist attack even as officials acknowledge that they do not know what is happening inside the quarantine zone; online discussion likewise mixes practical warnings with conspiracy theories and uncertainty. Cole’s brief appearance belongs to this larger pattern: institutions act with force while the cause and nature of the danger remain incompletely understood, and the explanation offered to the public does not necessarily match what those closest to events know.