A Chance to Make a Difference

Judy M. Kerr Author Interview

Postmarked Castle Cove follows a US Postal Inspector struggling with sobriety grapples with a small-town mystery involving missing mail and suspicious church leaders. What was the inspiration for the setup of your story? 

My intent was to get MC focused on more than just drinking — or not drinking in her case. I wanted a deeper, darker, more gritty investigation that would hit her hard and make her realize she had a bigger purpose in life. Something to really sink her teeth into. A chance to make a difference. 

Which character in the novel do you feel you relate to more and why?

I don’t think there’s any one character I relate to more than any other. However, the one I’ve had the most fun with recently is Jim Bob O’Malley, the youngest and newest postal inspector in the same office MC works in. Although, Jim Bob’s role ended up being smaller than originally planned in book three, I can foresee expanding his character in a book four. He’s a bit of a nuisance in MC’s opinion, but his humor breaks through her hard shell at times. And MC grudgingly acknowledges he will be a good inspector—with a bit of stern direction at times from her and other senior inspectors. 

What were some themes that were important for you to explore in this book?

The themes I focused on were grief and how MC is handling the overwhelming grief over the murder of her life partner Barb, which happened in the first book in the series. I think up to the point of book three that grief has molded MC into an emotional cripple. Barb had been MC’s world. Along with that grief comes a sense of guilt. Guilt over not being at home that fateful day to save Barb. Guilt over not having the courage to share with Barb while she had the chance, some dark locked-away personal secrets from childhood. And of course, the theme of recovery. An arc that stretches from day-to-day progress; back-sliding; thinking she’s tamed the beast and has no need for any further intervention; to the point where MC realizes that recovery is a life-long journey. And finally justice—MC observes that a number of her cases have involved child victims. Some survivors. Others not. And with that observation comes a sense of a chance at redemption. She hadn’t been able to save her sister Cindy when they were children. And she hadn’t been able to save little Emmy in book two. But MC decides to embark on a crusade to protect child victims. She wants to dig into those dark, disturbing cases and bring light to the voiceless victims and make a difference, no matter how small, in their lives. 

Can we look forward to a fourth installment in this series? Where will it take readers? 

I’m leaning toward another book for the series. I’ve begun gathering research for the possibility. I think MC will visit a different area of our great state of Minnesota in book four. Maybe somewhere a bit west, the St. Cloud area perhaps. And there might be a cold case revealed to her during an active investigation. The cold case is out of her wheelhouse, but MC can’t help but get sucked in. Thanks for the opportunity to talk about MC and her story!

Author Links: GoodReads | Facebook | Website

Back on the job after a stint in rehab, US Postal Inspector MC McCall is assigned to mentor an unseasoned young inspector while trying to tune out her demons. The challenge is to stay sober and deal with the Columbo-loving newbie. Then MC is sent to Castle Cove, Minnesota, to investigate a post office robbery, which turns into something much worse. McCall must navigate the grief and guilt of her personal loss while fighting furiously to reel in degenerates preying on children and profiting from peddling illegal images. Will MC succeed in taking down the twisted predators without taking a nosedive back into the bottle? A firm believer in never giving up, MC must persist while learning how to let others in if she wants to survive.

Posted on August 8, 2025, in Interviews and tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , . Bookmark the permalink. Leave a comment.

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