Tana French’s second book in The Dublin Murder Squad series packs a serious punch. Cassie Maddox, a former murder squad detective, has moved to a different unit because of the stresses of the case called “Vestal Virgin” and personal difficulties with her former partner. She’s dragged back into the murder squad, when a woman’s body is found and she’s carrying identification showing her name is one of Cassie’s former undercover personas.
This is the main thing you need to know about Alexandra Madison: she never existed. Frank Mackey and I invented her, a long time ago, on a bright summer afternoon in his dusty office on Harcourt Street. pg 12, ebook.

The slain woman has a unique living situation. She rooms with four other adults in a stately manor home called Whitethorn House. The group is a tightly-knit bunch of university students who not only live together, but also spend nearly every waking moment in each other’s company.
“Her main associates,” Sam said evenly, “were a bunch of other postgrads: Daniel March, Abigail Stone, Justin Mannering and Raphael Hyland.” pg 71
None of the group had a motive for killing Alexandra, whom they called Lexie. Or did they? Or perhaps it was someone outside the group, someone who had an old reason for hating them and the house. Or maybe it was a crime of opportunity… and who was Lexie Madison anyway?
Cassie’s superiors ask her to use her physical similarity to the dead woman to infiltrate the group in an undercover operation to try to dig up some answers. Can she pull it off? And, if she does, will whoever attacked Lexie come at her again?

“This is the part I didn’t tell Sam: bad stuff happens to undercovers. A few of them get killed. Most lose friends, marriages, relationships. A couple turn feral, cross over to the other side so gradually that they never see it happening till it’s too late…” pg 62, ebook.
The tension throughout this entire book is incredible. I noticed the same thing with French’s other book, In the Woods. She really has a way of building the story up through complex layers and then delaying the big reveal to pour on the stress.
The characters are fantastic. The conversations are dances, setting up further plot points.
“She’s fine,” said Abby. “She just said so.” “I’m only asking. The police kept saying—” “Don’t poke at it.” “What?” I asked. “What did the police keep saying?” “I think,” Daniel said, calmly but finally, turning in his chair to look at Justin, “that we should leave it at that.”

I had to suspend my disbelief at a couple points in the story. The big one was believing that Cassie looked enough like the dead woman to make the undercover part even possible. I suppose I’ve heard stories about doppelgangers, but I’ve never truly believed such a thing actually exists.
Highly recommended for readers who like their mysteries with a heaping side dish of tension.
Thanks for reading!
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