Officers Christopher Burbank and Matthew Collins have been charged with second-degree murder and Timothy Rankine is charged with first-degree manslaughter, according to charging documents.It is the first time Washington’s attorney general has criminally charged officers for the unlawful use of deadly force, according to a statement from Attorney General Bob Ferguson.And it’s the second time homicide charges have been filed in the state against law enforcement officers since Washingtonians adopted Initiative 940 in November 2018 — a measure making it