The police are now monitoring criminal/gang/drug 'activity' in the area.
There has been an increase in the city's (level of) economic 'activity'.
The instruments are used to detect volcanic 'activity' on the island.
(..) Bill Clinton was governor. And little Mena, Arkansas, changed from a quiet town to a center for drug smuggling and reported Contra support activity. In the middle of it all, this man, admitted dope smuggler Barry Seal. Arkansas State Trooper Russel Welch investigated Seal's organization. (..)2009 Loose Change 9/11: An American Coup