You can find this series at Riptide/Amazon/B&N, or if your library supports Hoopla, they might be in the package that your library has access to.
I love a good procedural (which means I hate 90% of the procedurals on TV) and Seven of Spades is mashing my Bosch and Homicide buttons, and even a bit of the Hannibal itch, but I get ahead of myself.
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So this series is a homicide detective and a bounty hunter/PI who get tangled up with a serial killer (who 'ships them!!!) and together they fight crime ... and have hot buttered prawn. )