Suspect went door-to-door in search of victims ' residence , authorities say . Christopher Glatz , 45 , and wife Kim , 38 , were shot `` execution-style '' in home . The couple 's teenage children at suburban Rochester home but were not injured . Police are investigating the case as a possible hate crime.
Suspect went door-to-door in search of victims ' residence , authorities say . Christopher Glatz , 45 , and wife Kim , 38 , were shot `` execution-style '' in home . The couple 's teenage children at suburban Rochester home but were not injured . Mary Sillman , 23 , and Randall Norman , 41 , shot at a hospital earlier Saturday .