In this episode of the Pocket Sergeant Podcast, I’m joined by Ryan MacDonald — former police officer, military veteran, author of Blue Lights, Dark Mind, and a powerful voice on trauma and recovery after service.

Ryan served for nearly 30 years across policing and the military, including counter-terrorism, intelligence, custody, leadership roles, and operational tours overseas. But this conversation isn’t about rank or war stories.

It’s about what happens when the uniform comes off.

🎙️ In this episode, we talk openly about:

The cumulative trauma of policing

PTSD and intrusive thoughts

Why officers struggle to ask for help

The moment everything nearly collapsed

How policing culture deals with mental health

Life after service, recovery, and rebuilding

This is an honest, raw, and important conversation about the realities of policing that are rarely spoken about publicly.

If you’re serving, have served, or support someone who does — this episode will resonate.

Ryan's Book: Blue Lights Dark Mind

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In this episode of the Pocket Sergeant Podcast, Paul Cooper is joined by Colin Sutton — one of the UK’s most respected former Senior Investigating Officers.

Colin led some of Britain’s most complex and high-profile murder investigations, including the case that finally brought Levi Bellfield to justice — without relying on forensic evidence.

This is a deep, intelligent conversation about how real murder investigations are solved, the mistakes people make when relying on checklists, and why good policing depends on thinking, judgement, and leadership — not box-ticking.

🎙️ In this episode, we discuss:

How Colin rose rapidly through the Met Police

Leading murder investigations under intense pressure

The Levi Bellfield case and building a conviction through circumstantial evidence

Why “thinking outside the box” matters more than procedure

What great detectives do differently

Policing leadership, officer welfare, and cultural change

Life after policing: books, TV, and theatre tours

This episode is essential viewing for:

Police officers and detectives

True crime fans who want depth, not drama

Anyone interested in leadership, decision-making, and justice

If you’re tired of sensationalism and want to understand how serious investigations actually work, this conversation delivers.

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Former Detective Darren Ryan joins the Pocket Sergeant Podcast to reveal the psychological cost of investigating some of the most serious crimes in policing.

For years, Darren worked high-risk safeguarding and exploitation cases. He protected vulnerable victims and carried the responsibility that comes with child protection investigations.

But repeated exposure to trauma doesn’t just disappear when the shift ends.

In this episode, Darren speaks openly about:

• The cumulative impact of investigating child abuse
• How trauma can surface years later
• Hypervigilance, sleep disruption and intrusive memories
• The warning signs many officers ignore
• Alcohol as a coping mechanism
• Ill-health retirement and the battle that followed
• Rebuilding identity after losing the uniform
• Why mental health support in policing must change

This isn’t about weakness.
It’s about being human.

Email Darren: darren.ryan@lifelinecoachingandmentoring.com

Instagram: @lifelinecoachingandmentoring

Darren now runs Lifeline Coaching & Mentoring, helping others navigate trauma, career transition and recovery.

He is also the author of LIFELINE: HOW A FORMER DETECTIVE SURVIVED PTSD AND HOW YOU CAN TOO

If you work in policing, emergency services, safeguarding, military — or support someone who does — this conversation matters.

Who would you like to see on the podcast? Send us suggestions!

Download the Pocket Sergeant app today

Purchase Sh*t Magnet: A Frontline Officer's Stories Of Madness And Mayhem

Purchase From Trauma To Triumph - The Pocket Sergeant Journey