 On a related area, a doctor says IEDs are still an unresolved issue in the country. He notes it is still an evolving area for law enforcement and researchers to keep up with. We have a growing and expanding number of violent extremist ideologies represented in the homeland. Whether that be racially and ethnically motivated violent extremists, anti-government, anti-authority violent extremists, as well as Salafi jihadists or single-issue ideologically motivated actors.