How to Write Believable Villains: Understanding the Criminal Mind

Lana McAra interviews author Merle Davenport on In the Writer's Chair about criminal psychology and writing believable villains.

What makes a fictional villain truly convincing? Is it their actions, their motives, or the way they justify what they do?

In this episode of In the Writer's Chair, Lana McAra welcomes author and criminal behavior expert Merle Davenport to explore how understanding criminal thinking can help writers create more realistic and compelling antagonists.

With 25 years of experience teaching inside prisons in Oklahoma and Michigan, along with graduate studies in criminal thinking and recidivism, Merle brings a unique perspective to character development. His book, Echoes of the Criminal Mind, examines the thought patterns behind criminal behavior.

Why Villains Don't See Themselves as Villains

One of the most revealing aspects of criminal thinking is how people justify their behavior.

Merle explains that many criminals don't believe they're doing anything wrong. Instead, they develop explanations that make their actions seem reasonable or necessary.

For fiction writers, this offers an important lesson: A believable villain needs more than evil intentions. Understanding how an antagonist views their own choices can make their behavior more convincing.

From Flat Villains to Complex Antagonists

Not every villain serves the same purpose in a story.

Lana and Merle explore different character types, from straightforward villains like the Big Bad Wolf to more complicated figures such as Darth Vader.

They also discuss rogue heroes, including James Bond and Han Solo, whose actions and moral boundaries challenge traditional ideas of heroes and villains.

These distinctions help writers think beyond familiar stereotypes when developing characters. Understanding a character's motivations, fears, and internal struggles can also reveal what makes them more believable. For a deeper look at character development, explore how to add depth to a character.

The Hidden Lives of Criminals

Some of the most unsettling antagonists are those who appear perfectly ordinary.

Merle discusses how individuals involved in criminal behavior may maintain seemingly normal lives as spouses, parents, or respected community members while concealing another side of themselves.

For writers, this contrast between public identity and private behavior can create tension, mystery, and psychological depth.

How Mental Health and Substance Use Affect Behavior

The conversation also examines how mental illness, alcohol, and drugs can complicate criminal thinking and behavior.

These factors may influence how a character responds to situations, makes decisions, or interacts with others.

For fiction writers, understanding these complexities can help create more nuanced characters without relying on simplistic stereotypes.

From Criminal Psychology to Historical Romance

Merle also introduces Lady Jane, a historical romance set in 1830s England.

Written with his wife Karen under the pen name M.K. Davenport, the novel draws inspiration from his great-grandfather, a stable boy who challenged social expectations by marrying an aristocrat.

It's an unexpected creative direction from the author of Echoes of the Criminal Mind.

Watch the Full Conversation

Discover more about criminal psychology, complex villains, and Merle Davenport's writing projects in his conversation with Lana McAra on In the Writer's Chair.

Watch the full interview on YouTube

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