All they need are drivers and matches. Even semi-committed "slacker" jihadists can do this, even copycatting as the forests start burning.
You're not giving MN any credit in this department (FAR more fires are started by lightning than by human -intentional or unintentional- 'action').
BTW, current national fire status:
National Fire News - Wildland Fire Update
Initial attack activity was light nationally with 129 new fires reported.Two new large fires were reported in the Southern Area. Two large fires were contained, one each in the Southern and Southwest Areas.
Very high to extreme fire indices were reported in Arizona, Florida, Georgia, New Mexico, Nevada, Oklahoma, Texas and Utah.