Shadow Walker - Shadow Walker Trilogy, #1

She will go to great lengths to get justice.including risking her heart. Denai Witch Charlie McCray's life turns upside down when her enforcer teammates are massacred in a bust gone wrong. The grief and guilt so great, she struggles to continue her work without them. Getting justice is the key to her reclaiming her life and regaining her footing on the job, but to get that, she must employ her ability to speak with the dead.
The only clue as to what happened involves a mysterious orb with a deadly reputation. Everyone wants to get their hands on it. But all Charlie wants answers, she must rely on the dark and sexy demon from her past-the one who's convinced she's his life mate. With nothing but tension between them, can they work together to root out the truth or will their undeniable connection create a distraction?