Riddles in the Dark Ep 13 - Comptrol the Comptrollables

Burnhold was good with numbers. It is not often that a dwarf is made the comptroller of a human town, but noone was able to manage the finances of Laurel Falls as he could. This was known by all, and it made Burnhold's assistant Thrane curious and excited when Burnhold said as he was leaving "We must talk in the morning, I found something strange today in the books." Thrane found it even more curious when Burnhold didnt show up an  promptly hour past dawn as he usually did. By lunchtime, with no answer ant Burnhold's door, Thrane sounded the alarm. It was then two hours before they found Burnhodl's body. The mystery: Who killed Burnhold, how, and why?