(Portland, OR) -- The Multnomah County Sheriff's Office has arrested a suspect in a 2022 homicide. Jeremy Gurtner's body was found in the Columbia River Slough. The medical examiner found he died from a gunshot wound. Detectives followed multiple tips and identified the suspect as 44-year-old Marco Antonio Herrera. He was arrested on Friday at a residence in Southwest Portland and he will be charged with murder.