Wicked Justice by Lori Ryan

Her intelligence is what draws him … and what makes him so wrong for her

From the start Detective Ronan Cafferty knows Tiff Carson is too good for him. But the sexy professor’s passion for her work and undeniable beauty brings him back to her again and again.
As his notorious ability to hide his emotions crumbles, Tiff shows him he might be the right match for her after all.
But when her sharp eye gets them a lead they desperately need to catch a brutal serial killer, Tiff winds up in the sights of a damaged man bent on destroying everyone who’s wronged him.