Police appeal for help identifying mystery tunnel digger Prison Planet.com Posted on February 25, 2015 Posted in Aggregated No Comments Tagged with Multimedia Global News | Toronto police are asking the public for help tracking down who built a chamber or tunnel a conservation officer stumbled upon near York University. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email