The Hush Love Trilogy — Jordan Belcher

A young woman drowns to death in a lake nearly 60 miles from FCI Greenville, a medium-security federal prison. Her fiancé, an inmate with an illegal cellphone, hears the whole tragedy from his prison bunkbed. But no one wants to believe his side of the story. Her death is ruled an accident. One year later Irving Mercee is released from prison. Close friends and loved ones are proud to see him work a real job, live a normal life. But underneath it all, his life is far from what it seems -- he's back to selling cocaine and he's hunting down his fiancé's killer, torturing suspects one by one.