Officials in the state of Washington believe that endangered gray wolves are being killed.
By poisoning in a remote area of the state's northeastern corner.
On Monday, state wildlife officials reported that the poisoning of at least six gray wolves had resulted in their deaths.
According to the report from the Washington Department of Fish & Wildlife, two more corpses were recovered recently, bringing the total number to six since February.
The department stated that the findings of the toxicology tests showed that all six wolves had died as a result of eating poison.
Since the previous year, the Fish & Wildlife police have been conducting an investigation.
The state has gray wolves on its endangered species list, & the federal government has categorized them as endangered in the western two-thirds of the state.