Hang on to Me (S01E13)

Jack is distraught and defensive when Chet Collins (Charles S. Dutton), whose son has been missing for 6 years, decides to search for him on his own because he thinks Jack has given up hope of finding him. Feeling guilty over his failure to recover Collins' son, who was 2 years old when he disappeared, Jack kept the case active despite fearing the worst. (Prime Video)