by WGBH News
This weekend marks four weeks since the body of a little girl was found in a garbage bag along a rocky shoreline on Deer Island.
Officials have received hundreds of tips and leads since but the identity of the girl is still unknown.
So earlier this week, WGBH Special Correspondent Emily Rooney (@EmilyRooneyWGBH) went to Deer Island to get a better sense of what may have happened, with the help of forensic neuropsychologist, Robert Mendoza.