The Bureau of Alcohol, Tobacco, Firearms and Explosives said its agents were also assisting in the investigation.
Suspect found dead after shooting 4, causing panic in DC
The Bureau of Alcohol, Tobacco, Firearms and Explosives announced on Friday a $10,000 reward for information that leads to the identification of someone captured on surveillance cameras last Sunday evening around the scene on Monday’s fire.
'Person of interest' reward in Md. fatal fire probe is $100K