Remember - no Russian
So…
They made the bombs at Orange County?
Smells like FBI, looks like FBI, well I guess it must be FBI
No FBI personnel were injured, said bureau spokesperson Laura Eimiller.
The FBI Special Agent Jerry Crowe Regional Tactical Training Facility south of Los Angeles hosts firearms training and qualifications tests for the bureau and local law enforcement agencies, Eimiller said.
https://www.nbcnews.com/news/us-news/16-swat-officers-hospitalized-blast-training-facility-southern-califor-rcna143338
Russian powder, not all that consistent, always burns like that.