The consistent pattern of men committing mass violence is rooted in biological evolution. Men are wired for aggression and physical confrontation, a trait historically selected for by women seeking protectors. This is a biological reality, not a surprising social anomaly.

Aggression is not a switch that flips but a sequence of neural circuit activations with a beginning, middle, and end. Understanding it as a verb or a process allows for intervention at various stages—preventing its initiation, halting it mid-course, or even prolonging it if adaptively necessary.

While observing suffering typically activates empathy circuits, the brain's reward system activates if the person is perceived as a wrongdoer. This biological mechanism creates a powerful, lust-like desire to see punishment enacted, which psychologist Kathryn Paige Harden refers to as a "cruelty currency."

Violent acts are not random; they often represent the logical conclusion within a person's specific frame of reference. If an ideology convinces someone they are fighting a Hitler-like evil, then assassination becomes a moral duty, not a crime. The danger lies in these justifying belief systems.

The conditioning of prison life manifests in subtle but profound ways after release. For example, instinctively asking a uniformed Walmart security guard for an escort to the restroom reveals a deeply embedded loss of autonomy. This 'Pavlovian conditioning' shows how institutionalization strips away the ability to perform simple, independent actions.

Juvenile detention operates on gang affiliations, with constant, chaotic fighting. Adult prison imposes a rigid, race-based political system. This forces bitter gang rivals to drop their feuds and unite with their race against others. This shift from gang-banging to racial politicking is a shocking and mandatory adjustment for survival.

In general population, status isn't determined by the severity of one's crime against society, but by adherence to an internal code. Inmates with charges like molestation or snitching (having a 'jacket') are at the bottom and segregated for their own safety. Meanwhile, murderers and gang members can be at the top if they are 'solid'.

In prison, Christian Howes observed that the societal code for men—to never let anyone disrespect you—leads to a self-destructive cycle of violence. Meeting aggression with aggression ultimately leads to one's own demise, such as a life sentence.

When people are subjected to extreme humiliation and loss with no hope of justice, their motivations can shift. Violent revenge, even if suicidal, becomes a rational choice to reclaim dignity, prioritizing retaliation against an oppressor over self-preservation.