'Person Of Interest' Jay Rosenbaum Not Interested In Helping Hunt For Missing Indiana University Student Lauren Spierer

Jun 27, 2011 | Updated Aug 27, 2011

His silence is deafening.

More than three weeks after Westchester college student Lauren Spierer vanished during a night out partying at Indiana University, Jason "Jay" Rosenbaum -- the last person to admit having seen her alive -- has ignored her parents' pleas for information that could lead them to their daughter, family friends told The Post.