(St. Paul, MN)  —  St. Paul police say they are focused on a single suspect in a deadly shooting that killed three and injured two.  Authorities are not releasing information about the suspect, citing the ongoing investigation.  The shooting happened Sunday in the 900 block of Case Avenue.  Officers say 33-year-old Angelica Gonzales, 44-year-old Maisha Spaulding, and 42-year-old Cory Freeman were killed in the shooting.  No word on the identities of those were injured.