Trigger Point by Charlotte Raine

Avery Yakushev, an illegal arms dealer, is being tracked by rival dealer Atticus Devetzi, who also happens to be a detective at the local police department. When Devetzi decides Avery is a threat to him, Devetzi uses his position as a police officer to cause Avery more trouble than he can deal with. Now, with Avery’s new love interest, Shannon, also in danger and the threat of a dirty cop looming over him, Avery must do anything it takes just to survive.