Destiny 2/Corin Mclean

Corin McLean was a mythical guardian in the destiny universe. Stories of the adventures of Corin was told to small children in the last city. The story goes that Corin used the light to brutally massacre women and children of the fallen. 
Reference to Corin McLean and his adventures can be found in a cave north of the EDZ. It reads on the wall "Who is Dez?" Which refernces the part of the Corin myth where he asks an innocent police officer this question before gutting him with a glaive.