Sex, lies and online dating - Rachel Gibson

When an undercover cop goes on the hunt for a female serial killer, he's not expecting to lose his heart. Quinn McIntyre has to pose as an internet dater to woo the chief suspect in a serial murder case, and the last thing on his mind is falling in love. Especially not to a thriller writer researching her next book, who doesn't even realise she's under surveillance...

But Lucy Rothschild just doesn't seem like the killing kind... does she? Before too long, and against all his better instincts, Quinn finds he could be getting in too deep...