Whistleblower by Tess Gerritsen

This title presents a deadly truth...Victor Holland comes flying out of the night into the path of Catherine Weaver's car. Horrified by his broken body, Cathy rushes him to the hospital, praying for his survival.But, her nightmare had just begun. Because Victor is running for his life, and their shocking encounter has put Cathy in mortal danger. Victor has uncovered a terrifying secret - and the trail leads all the way to Washington, where powerful men will go to any lengths to silence him.Victor's story sounds like the ravings of a mad man, but the haunted look in his eyes-and the bullet hole in his shoulder-tell a different story. As each hour brings pursuers ever closer, Cathy has to wonder, is she giving her trust to a man in danger or trusting her life to a dangerous man?