A militia member arrested by Iraqis has admitted firing the missile that killed 3 Minnesotans.
"Iraqi authorities have arrested a member of an Iranian-backed militia for the missile attack that killed three soldiers from the Minnesota National Guard..."
For the rest of the article: http://www.startribune.com/local/51102712.html?elr=KArks:DCiUHc3E7_V_nDa... [1]
The three soldiers are pictured below.

Carlos Wilcox

Daniel P. Drevnick

James D. Wertish