Dive Brief:

• The FBI and the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) are offering a $25,000 reward for information about two attempts to sabotage the power grid in Arkansas.
• On. Sept 29, someone set fire to the Keo substation in Lonoke County. Those responsible carved a message into a control panel that read "YOU SHOULD HAVE EXPECTED U.S." 
• On. Oct. 6, First Electric Cooperative said two of its power poles were intentionally cut, resulting in the loss of power for 10,000 customers. 
• Authorities think the two incidents might be linked to the downing of a high-voltage power line on Aug. 21 in Cabot, Ark.

Dive Insight:

The National Academy of Sciences in 2012 issued a report that found the nation's electric power grid is "inherently vulnerable" to terrorist attacks and that the bulk power system is in urgent need of attention.