Cold Mystery - Cold Case, #2

Detectives Ashton and Zach are on a new cold case. Their relationship grows stronger daily while they investigate the murder of a twenty-eight-year-old man, found dead in his apartment from what appears to be an acid attack. The twists and turns of this case seem endless, and Ashton wonders if they will ever be able to solve it.  This is a MM romantic crime story. There are subjects and language that could be triggering to some readers.
Themes suited to 18+