Mortal Enemies by J.L. Farnsworth

When narcotic cop, Tyler Michaels, goes through a drug bust gone wrong, he realizes that there is someone out there that wants him to suffer a slow and painful death. Tyler puts his own life on the line to protect his lover, Dr. Ryan Douglas, when he realized who ever is out there has been after him for years and isn't going to stop until get the death of Tyler and who ever else gets in the way. Many secrects get revealed about Tyler's life before Ryan that he didn't share because he never 'saw the need'.