

Interview with Former FBI Profiler Julia Cowley Part 2 of 2
Aug 9, 2025
In this engaging discussion, Julia Cowley, a former FBI agent and profiler, analyzes a prime Zodiac suspect, 'Mac.' She dives into his potential motivations and behaviors, linking them to the broader psychological landscape of criminals. The conversation highlights how childhood experiences and life stressors can shape future actions. Cowley also explores the dynamics of correspondence between incarcerated individuals and their spouses, adding layers to the Zodiac's character through cultural references and cryptic letters. It's a captivating look into the mind behind the mask.
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Timeline Plausibility
- Julia Cowley finds the suspect's timeline plausible and situates him in the vicinity of key events.
- She warns many people can appear connected by coincidence, so investigators must be cautious.
Firearms Skill Vs. Stress
- Julia notes the suspect had access and training with firearms but likely degraded performance under high stress.
- She contrasts Zodiac as experienced with weapons yet not necessarily an excellent shooter under pressure.
Relationship Stress Matches Letters
- Mike describes the suspect becoming isolated after college while friends formed families and careers around 1968–1974.
- Julia says that lack of relationships and possible resentment fit Zodiac behavioral expectations and merit deeper probing.