Parole and Probation Officer Kim Vine said she had a hunch about a man and woman she was supervising - a hunch that led to Timothy Sparacino, 27, and Jeira Polanco, 24, being arrested on more than 40 counts of possessing stolen property.Vine realized early on that Polanco and Sparacino wouldn't be her easiest cases. Under terms of their probation, imposed after their April 2011 sentencings on theft charges, the couple wasn't supposed to have any contact, but they had been caught together several times."I got on their cases for it," said Vine, referring to their contact and the other …