Cold Blooded

sub-genre: Romantic Suspense and Mystery
(Publisher's Summary)

Detective Gwen Jamison has the highest closure rate in her division, but when a string of armed robberies turn deadly she must race against the clock to find the sole witness that can end the carnage. Standing in Gwen's way is a cold-blooded killer who she fears has murdered before. Lieutenant Ian McKean knew he would have his hands full when he took over leadership of the detectives unit. He wasn't prepared for the headstrong Detective Jamison, though, who quickly becomes a thorn in his side. If they can stop butting heads long enough they might realize they are more alike than either imagined.