Murder at the Mall (Hardy Boys Undercover Brothers Series #17) in Bloomington, MN

Atac Briefing For Agents Frank And Joe Hardy
MISSION:
Investigate threats sent by an extremist environmental group — STEMM — to the owner of the local mall. These fanatics may resort to drastic measures to protect nearby wetlands. That is, if members of STEMM are really the ones behind the threats....
LOCATION:
Eastside Mall.
POTENTIAL VICTIMS:
Chet, Iola, and other teens who work and hang at the mall.
SUSPECTS:
The slightly wacky hippie who manages a store at the mall. The seedy night watchman who seems busier guarding secrets than stores.