FORT WAYNE, Ind. (WOWO) – The Allen County Coroner says the two bodies found in the St. Mary’s River last week were both brutally murdered.

Cleaning volunteers found human remains of the two adults in the river on Friday. 41-year-old Matthew Johnson and 40-year-old Christina Dixon, both of Connersville, had their deaths ruled as homicides by the Allen County Coroner on Tuesday.

Johnson died of both a gunshot wound and a stab wound, while Dixon was strangled and suffocated to death.

Police have arrested 29-year-old Dominique Washington on charges of murder and kidnapping. Court documents revealed the Johnson and Dixon were confidential informants that helped lead investigators to a recent drug bust.