The TSA has released a press announcement about an aircraft that returned to Portland after trouble with a passenger.
“Today on Hawaiian Airlines Flight 39 from Portland International Airport (PDX) to Kahului Airport (OGG), the captain made a decision to return the plane to Portland due to a suspicious passenger who made threatening remarks and refused to store his carry-on bag.
At 16:16 pm. EST the plane landed at PDX without further incident. Currently, law enforcement officers and TSA are interviewing the passenger in question.”