By Jill Harmacinski jharmacinski@eagletribune.com ANDOVER — State police seized 605 grams of heroin, worth roughly $50,000 in illegal drug sales, after a pulling over a minivan driver for having improperly tinted windows on Interstate 93. A state police drug-sniffing dog later found the heroin, wrapped in 54 finger-like packages, stowed in a secret floor compartment of the dark blue Chrysler Voyager. http://www.eagletribune.com/local/x...op-yields-50K-of-heroin-in-secret-compartment