In 1997, 39 members of the UFO-based religious group Heaven’s Gate, including its eccentric leader, Marshall “Do” Applewhite, died in the largest mass suicide on American soil. Their bodies were found covered in bright purple sheets after they willingly consumed a potent mixture of two pharmaceuticals, believing it would free their spirits from their human bodies and allow them to board a spacecraft bound for home. This is the unsettling story of a faith-based movement more than 25 years old that is still active today.  

What is a cult?

It is a tightly controlled circle centered on a leader, ideology, or belief system that demands intense loyalty and discourages independent thought. Such groups often isolate members, manipulate their behavior or beliefs, and punish or suppress dissent.  

Few factions are as infamous—or as disturbingly manipulative—as Heaven’s Gate. Some may challenge that claim by pointing to Jonestown, Waco, or the much-debated Manson Family, but consider this: two ordinary people convinced themselves they were aliens sent to gather fellow “crewmates” before Earth’s destruction and return them to a mothership, their promised route to heaven. Isn’t that, to put it mildly, insane? Even more astonishing is that hundreds of followers accepted this belief for years. How could that happen?  

According to The Leader, Marshall Applewhite and Bonnie Nettles met after Applewhite attempted suicide by swallowing pills and Nettles, the nurse on call, helped save his life. Their connection was immediate and flirtatious, but their drive to form an unbreakable bond ultimately displaced any desire for sexual intimacy. As they pursued spiritual ascension together, Nettles left her family to help lead a new devotional unit built around a monastic lifestyle. As the gained attention and supporters in the early to mid-1970s, Applewhite adopted the name “Do” (pronounced “doe”), while Nettles became “Ti” (pronounced “tee”). Together, they reinterpreted the Book of Revelation and declared themselves extraterrestrials, inhabiting human bodies.  

Warren, David, and Michelle illustrate the coercive methods used to control everyone and secure their loyalty to the community. Warren, played exceptionally by Jim Parsons, is a monotone, robotic disciple who joined Heaven’s Gate after struggling with several addictions such as alcohol, sex and self-harm. His obedience to Do and Ti stays unquestioned, even when he experiences “slippage”—a follower’s loss of control over their “vehicle,” or physical body. Eager for the journey home, he questions his worthiness as the promised UFO’s arrival draws near. Warren’s consuming fear of disappointing the leaders ultimately causes him to doubt his beliefs.  

Simon Rex delivers a standout performance as David, a lost young man searching for answers and a path to enlightenment. He embraces Heaven’s Gate wholeheartedly after joining alongside Michelle, a gentle, delicate character portrayed beautifully by Grace Caroline Currey. Ultimately, temptation overwhelms him and drives him to a shocking, irrational decision.  

One of The Leader’s most revealing sections details the cult’s rigid rules. Rejecting gender distinctions, members wore matching clothing and identical pageboy haircuts. They were barred from lying, sworn to celibacy, and required to follow a strict communal diet, viewing food only as fuel rather than pleasure. They also regarded the body as a temporary “vehicle” for life on Earth, one that had to be kept in peak condition until they could leave the planet.  

The most heartbreaking restriction required members to sever every tie to their former lives upon joining the sect. Contact with spouses, children, relatives, and friends ended, and they surrendered all worldly possessions so they could board the spacecraft pure and unburdened.  

Although many people know the astonishing story of this oppressive religious based group, seeing its power concentrated in two delusional, self-proclaimed prophets is still difficult to grasp. If Marshall and Bonnie had not followed their own claims to the bitter end, I might have dismissed them as brilliant con artists, like Keith Raniere and his doctrine of “rational inquiry.” But while Raniere seemed motivated by greed and self-gratification at the expense of his exploited followers, Do and Ti appeared to believe fully in their millenarian creed. Which is more frightening? Perhaps the most dangerous prophets are the ones who become their own first converts.