(Gresham, OR)  --  Police in Gresham are still investigating a weekend disturbance call that resulted in the discovery of a body and a victim fighting for her life.  Umberto Arango Velasco was found dead inside an apartment on Sunday afternoon when a tactical team entered.  It happened after a woman who also lived there was stabbed and got away.  Authorities say Mariya Dela Torriente is in critical condition.