Tuesday, September 9, 2025

A Killer Motive by Hannah Mary McKinnon

 

A Killer Motive by Hannah Mary McKinnon
Book Summary

In this thriller for fans of Ashley Elston and Jeneva Rose, a manipulative kidnapper gives a true crime podcaster one week to locate her brother’s best friend. If she succeeds, she’ll learn the truth about her brother’s disappearance six years ago, but if she fails, his friend will die.

You never know who’s listening.

To Stella Dixon, sneaking her teenage brother out of their parents’ house for a beach party was harmless fun—until Max disappeared without a trace.

Six years later, Stella’s family is still broken, and she can’t let go of her guilt. The only thing that keeps her going is helping other families find closure through A Killer Motive, her true crime podcast.

In a bid to find new sponsors and keep making episodes, Stella goes on a local radio show. But when she says on air that if she had just one clue, she’d find Max and bring whoever hurt him to justice, someone takes it as a challenge.

A mysterious invitation to play a game arrives, with the promise that if Stella wins, she’ll get information about what happened to Max. Stella thinks it’s a sick joke…until Max’s best friend vanishes. And she’s given new instructions: tell nobody or people will die.

Desperate and unable to trust anyone, Stella agrees. But beating a twisted, invisible enemy seems impossible when they make all the rules…

About the Author
Internationally bestselling author Hannah Mary McKinnon was born in the UK, grew up in Switzerland and moved to Canada in 2010. Her eight suspense novels include THE REVENGE LIST, ONLY ONE SURVIVES, and A KILLER MOTIVE, and her work has been optioned for the screen. She also writes holiday romantic comedies as Holly Cassidy. Hannah Mary lives near Toronto, Canada with her husband and three sons. You’ll find her on socials as @hannahmarymckinnon, and please visit www.hannahmarymckinnon.com for more.
Author Social Media Links
Author Q & A

  Tell us about the inspiration for A KILLER MOTIVE?

Typically, I can pinpoint where the idea for a book came from, but with this one it’s a little more elusive. I remember wondering what a person might do if someone they deeply cared about vanished, and how that might affect those left behind. What if I pushed it further and the main character of my story blamed herself for the disappearance? How far would she go to find her missing loved one if she was given a clue? The story grew legs from there.

    How did you develop your main characters, Stella and her antagonist?

Stella’s psyche was relatively clear from the start, and I knew she’d feel responsible for Max’s situation. I had no clue she was a true crime podcast host—that brilliant suggestion came from my agent, Carolyn Forde. However, my antagonist’s identity eluded me for some time as I noodled around the concept. Like Stella, there was a change in the villain’s profession. This switch was thanks to my editor, Dina Davis, and I’m so glad because it works far better than my original idea.

What was the most difficult part of writing A KILLER MOTIVE?

There are a lot of twists and turns and red herrings, so keeping track of those (and the timelines), plus making sure they were sufficiently tied up at the end was quite a challenge. There are also a couple of fight scenes I asked my husband Rob to act out with me, so I could get the description of the movements right. He’s always game for a laugh!

What did you know about podcasting before writing A KILLER MOTIVE?

Other than listening to them…nothing! However, I researched them quite heavily, and I had the pleasure of meeting Laurah Norton, host of the One Strange Thing and The Fall Line podcasts. Her pertinent questions really helped deepen Stella’s motivations for A Killer Motive. As a side note, if you have the opportunity to hear Laurah speak at a conference, grab it with both hands because she’s incredible. Check out her podcasts, too.

 What’s your dream job other than being a novelist?

As a kid I wanted to be a lawyer or a police officer but at this point in my life it would be working in TV or film albeit writing or directing, not in front of the camera. Maybe I’ll attempt writing a screenplay one day. I have ideas…

 What are some things you enjoy when not writing?

I read a lot (not really surprising!), I work out frequently (recently took up self-defense and loving it), and I started drumming as I was writing Only One Survives. Along with my family and work, that all keeps me well out of trouble!

 What are you working on now?

To be honest, it’s a little too early to divulge much, but I’m working on a deeply personal thriller based on something that happened in my life many years ago. It was a daunting project to tackle, but now I’ve started, I don’t want to stop. I’m excited to continue working on the story and share details about it when I’m ready.

My Thoughts

I was drawn into A Killer Motive by Hannah Mary McKinnon with the mysterious disappearance of Stella’s brother, Max.  I wanted to know what happened to him and who was behind the disappearance.  I enjoy following the case, picking up clues, and piecing them together.  There was quite a bit going on in the middle of the book (it is a little chaotic).  There are twists, red herrings, and multiple suspects.  I liked the cat and mouse game between Stella and the guilty party. I had narrowed in on one person and I was eager to see if I had guessed correctly (I love solving whodunits).  I have a feeling the reveal will take many readers by surprise.  I had not read a book with a true crime podcast before, and I found it interesting (as you can guess, I sought out some to listen to).  A Killer Motive is a psychological thriller that will take you on a roller coaster ride.  

Excerpt

Tonight, my solemn promise meant busting his grounded a** out of his minimum-security prison, aka our parents’ house, so he could join Jeff and me at what would be the coolest party of the weekend. Lighthouse Beach was a twenty-five-minute drive from Deering, the Portland neighborhood where Max and I had grown up, and now I couldn’t wait to get going.

Max slid into the back seat of Jeff’s old red pickup truck. I turned around, laughing at my brother’s beaming face and the perpetual impish twinkle in his green eyes, which looked so much like mine.

“We were about to leave,” I deadpanned. “Thought you’d chickened out.”

Max snorted. “As if.”

“Are we picking up Kenji?”

“He’s at his girlfriend’s so he’ll meet us at the beach,” Max said, before jokingly adding, “He’d better, considering he’s taking off next week. Some best friend he is, leaving me behind.”

“Hey,” I shot back with mock indignation. “I thought I was your best friend.”

“Are you two sure about this aiding and abetting?” Jeff cut in before Max could throw a good-natured sibling zinger my way. “Your mom will go ballistic if she finds out.”

Max shrugged. “I don’t care. She’s way overprotective.”

“You know her reasons,” Jeff said.

We all did. Mom’s older brother died when she was nine and he was seventeen. It was terrible how some a**hole truck driver had run over our uncle, killing him instantly. Still, Max’s rebellion tonight was fueled by the fact Mom had banned him from going to California with Kenji, saying it was too far away, and Max was too young. They’d had a massive argument about it, which led to my brother being grounded for the weekend, hence tonight’s great escape.

“I told them I was heading to bed,” Max said. “They never check, but I stacked my pillows under the duvet just in case. Nobody will notice.”

“If they do, I’ll take the full blame.” I patted Jeff’s hand. “Max, we’ll drive you home. No after-parties with Kenji, got it? What Mom and Dad don’t know can’t hurt them.”

“Sir, yes, sir.” Max gave me a salute. “Anyway, I’ll need some sleep. I’m volunteering at the clinic tomorrow. Woolly had a mass removed and I want to be there for him.”

“Woolly?” Jeff said. “Dog or sheep?”

My brother grinned. “Giant Angora rabbit. He’s awesome.”

“You’re such a softie,” I said before letting out a whoop. “All right, let’s go. Lighthouse Beach, here we come.”

A Killer Motive is available from Amazon*, Barnes & Noble, and Bookshop.org.  You can find Hannah Mary McKinnon's other novels here.  If you follow Hannah Mary McKinnon on Amazon, they will email you when she has a new book release. Thank you for dropping by today.  I am a stop on the Celebrate Lit Tour for Fire Mountain by Dana Mentink on Wednesday, September 10.  It is the first book in the Elements of Danger series.  I am off to figure out from where my washer is leaking (there is a leak, but I have not narrowed down the source yet).  Wish me luck!  I hope that you have joyful day.  We all need more joy in our lives.  Take care and Happy Reading!

Kris

The Avid Reader

*I voluntarily read an advanced copy of this book.  I am not required to leave a review.  The comments and opinions expressed are strictly my own.

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