The book has a scratched cover

In the sequel to the novel The Second Life by Nick Mason, the main character tries to escape from the clutches of a criminal boss who completely controls his life, but at the same time he still has to carry out deadly dangerous tasks in order not to endanger his family.

Nick Mason was faced with a truly difficult task: to infiltrate the top-secret federal witness protection program that no one has been able to infiltrate so far, to get the three men who sent his boss Darius Cole to life in prison, and dispose of them.
First, however, he must track them down - these closely watched individuals are guarded in secret locations twenty-four hours a day by armed Federal Prison Service marshals, and time is running out. If these three die, Darius Cole will walk out of the courtroom a free man. In an effort to complete the assigned task, Mason puts everything he has on the line...