Overview
- A medical examiner determined that 15-day-old Arlo Darnielle-Arroyo died in May from homicide caused by blunt force trauma.
- The U.S. Marshals Fugitive Task Force arrested 38-year-old Felipe Arroyo Jr. on Dec. 8, and he was booked into the Multnomah County Detention Center.
- A Multnomah County grand jury in November indicted Arroyo on three counts of second-degree murder, first-degree assault, two counts of first-degree criminal mistreatment, two counts of attempted coercion, and witness tampering.
- Arlo was hospitalized with suspicious, life-threatening injuries on May 4 and died in a Portland hospital on May 8.
- Portland police say the case is included in the city’s 2025 homicide tally of 45 and are asking anyone with information to contact homicidetips@police.portlandoregon.gov or 503-823-0479, referencing case number 25-116240.