The police said they had not determined a motive for the arson fires in Portland, Ore., and Vancouver, Wash. But the messages have heightened the sensitivity of the investigation.
Investigators are trying to determine if the perpetrator was actually a pro-Palestinian activist or someone using that prominent cause to sow discord, one of the officials said, speaking on condition of anonymity because the investigation was ongoing.
In either case, the actions of one person don’t prove much about the larger movement that he intends to support.
The police are thinking that too.
In either case, the actions of one person don’t prove much about the larger movement that he intends to support.