Absent a receipt for bear spray, it is conjecture, only.
A photograph of the two with "bear spray" is legally considered only as 'circumstantial' evidence,
unless you are in a 'kangaroo court', or in a Socialist court.
It is a legalistic phishing scheme; I am sure there has been extra-ordinary effort to charge them men,given the homicide related charges.
Some of the people are still being held without bail, in spite of the 8th Amendment and without serious criminal charges even being filed.