Video shows standoff with suspects after 2 Cobb County deputies killed

Cobb County deputies Jonathan Koleski and Marshall Ervin, Jr. were ?ambushed and killed? while trying to serve a warrant on a Marietta home. Surveillance video shows tactical law enforcement officers surrounding the home where Christopher Golden and Christopher Cook had barricaded themselves after the deadly shooting. Golden faces two counts of aggravated assault by a peace officer and two counts of murder and Cook faces a theft by taking charge.