Deep Waters (The Security Specialists, 1)

DUTY TO PROTECT Thirty feet underwater when her oxygen tank fails Caley Flynn fears its been sabotagedand shell be the next to die. Her interns already dead her home breached and somethings amiss at her Florida marine-life rescue center…but no one believes shes in danger. Except Shepherd Lightman. When Caleys brother asked him to check on her the marine turned security specialist hoped it would be a case of calming down a nervous veterinarian. But the threats are all too real. Rescuing Caley and remaining alive isnt easy but resisting his bosss sister is where the real danger lies. Because with his heart in the balance hell do whatever it takes to stop a killer whos desperate to keep a secret hidden.