To scare Lance and make Murray a popular hero instead.
The first story by Sholly Fisch is a doozy. It's filled with complex ideas hidden behind a simple Scooby-Doo cartoon that bears all the proper beats and characterization from Mystery Inc. Fisch instead of casting a criminal as a “monster” casts him as a hero and introduces beneath this facade a clever protection racket scheme.
Fisch brilliantly realizes how the cast will act and behave toward "the monster." He takes advantage of the Gang's depth, and has alleviates the potential peachiness by having some old friends pay a visit. This story is a rare gem indeed.
The art by Robert Pope and Scott McCrae--as well as the talented folk behind Heroic Age--maintains a series feel to the mystery. The artists draw every one in the hamlet in a normal unexaggerated fashion. Only the gang and the "monster" sport the stylish modeling we've come to expect. This also enhances the theme of the story, which I'll not reveal.